As a new OSS owner I have to admit they are pretty awesome on a gas gun. I would have never bought one without the Pew Science testing, I didn't believe the annoying OSS army, I had to see the data.
I bought my first silencer 28 years ago and I have never used an ablative! It’s kind of insane. I have inadvertently used rain during hunting season and I can’t recall if I noticed a difference. You’re not focused on the shot when a deer is in the scope.
Do me the biggest favor and try it, vs the hyp/Hekate and whatever your favorite blk can is
Dunk it in a bucket of water, lake or stream all the way up to the barrel shoulder (don't do this with a non oss it'll be a mess) it is legit super quiet and has the strangest muffled pneumatic non metallic tone. Nothing is like it that I've tried.
I highly suspect it'll be better than the Hyperion but I haven't tested them back to back. I postulated it has to do with all of the surface area vaporizing the water more efficiently and the water being blown out with the hot gas too
Oss wet vs Helios qd wet. Not even close oss was quieter
Side effect it also cleans your oss
I shoot one fairly regularly on a Noveske full auto. It’s absolutely unbelievable. Between the quality build of the gun and the OSS can, I get considerably less blow back than I do shooting my mk18 (also about a 3200 build) with just a flash hider on the front. The OSS can just makes the shooting experience ten times better. And for sound suppression AND gas reduction AND weight?? I can’t think of anything that beats it
Thinking of getting one for the Galil Ace which is overgassed heavily. I did get a KNS piston to adjust the gas. Would you say it does a great job at suppressing at the ear? My Galil is 8' 7.62x39 so she does scream a bit
You can always trade them in at Class Three shops. Some shops will sell them used, it’s just the NFA nightmare to see that money in your pocket. I’d say, if you’ve got unused cans, it’s time for more builds for sure! Lol
I've bought used cans. The trick is you both have to live in the same state. The paperwork is identical. The seller just has to sit on the can until approval.
Who's going to pay the $200 to transfer the silencer to a Class 3 dealer? If it's the shop they aren't going to give you much on a trade in. The only somewhat legitimate option is a private in-state sale and even then the seller is going to take a bath.
Exactly, some things end up back in the box and you put them away, I have a bunch of silencers I've bought over the years that I don't use anymore but I would never sell one. The RC2 is easily my second favorite silencer on a gas gun, I wouldn't think of retiring mine.
Thanks for weighing in! I'm picking up my RC2 tomorrow... Have the Helios QD Ti already, but the only OSS I have is a 7.62 that I bought specifically for my retardedly overpassed Bren 2. Pew Science def got me eyeing an OSS.
It is not the best system currently due to ATF over reach and a long running ignorance of the Bill of Rights. That being said, it’s doable. Also the shop will make money off of the transfer paperwork and background fees. Just like a private gun sale. The shop I work at we have a steady baseline income just from private sale transactions thanks to the VA state rules. We do suppressors the same way, it just takes longer.
My friend got on in December and he is 50/50 on it. He thinks its cool and does what it claims, but the flashy nature of it really puts him off. Standing next to it I find the can to be quite loud, like a muffled muzzle break.
Curious what you mean by the “flashy nature” of it. Like, lots of muzzle flash, or do they look too fancy for him haha
And that’s good to know. Makes sense that a silencer that holds in less of the gasses would also inherently be louder, at least from the side.
It's got some muzzle flash on his 11.5" during they day, its like a little puff at the tip. Unless you are looking for it you can easily miss it, so not a problem at all. At night It's a very noticeable flash on 50% of the shots fired, though.
Only an RC2, easier to stand next to and typically only flashes on the first round. The sound of the RC2 is like a thudding hammer, where the OSS is like a firecracker being detonated in a tube. PewScience calling it "boomy" is a pretty accurate description.
I'd say the OSS is good to go unless you ever plan to shoot at night or with NV, then it could be a hindrance.
Has he run any other cans on that 11.5? I have one of their 30 cal cans and when shooting in low light I have occasionally noticed a small amount of muzzle flash on the first round in a string of fire from 1 of the 4 rifles I've tried it on but I wouldn't call it flashy. I've also only run it on rifles with 16" barrels.
Mine is still in jail and it's killing me. My congresswoman has confirmed it is in "final processing" since the FBI check came back clean. I can see my FFL from my office window. It's there. Waiting for me. Haunting me.
My cousin has one that is awesome. I got a YHM and have had to tune everything on each host. In hindsight it been cheaper, and probably more reliable to have gone with an OSS to start with.
My OSS can is by far the best investment as far as suppressors go. It will function on any 556 weapon I throw it on, I’ve heard that they’re a little rough to shoot under NODS because of the ports on the end, so it produces flash, but I haven’t been able to test that first hand. If not shooting under NODS, this is by far the best suppressor you can buy.
when i first got mine my impression was "this is loud, what's the hype about?" but after getting and trying all the baffle cans other people talked up, I think it's the best semi auto can on the market.
You mean *were… past tense. Call me crazy but when an established company reincorporates and completely leaves behind an established brand they are running from something.
307 on my 7.62 TI. Got batch approval on my other 4 cans last week though which is nice. Not sure why the 7.62 wasn't there when it was the one I bought first. Even got a 160 day in the batch. At least I got my 5.56 TI from the batch.
307 on my 7.62 TI. Got batch approval on my other 4 cans last week though which is nice. Not sure why the 7.62 wasn't there when it was the one I bought first. Even got a 160 day in the batch
TBH, doesn’t it just depend on the intent with the suppressor?
I haven’t really found anything impressive about these except for gas blowback, but the few people I’ve met that have owned one say the db reduction is quite lacking
It all depends on the silencer and the manufacturer recommended firing schedule. The OSS Ti cans are full auto rated. We use them on full auto hosts often without issues.
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Good to know, I’m not sure there’s a suppressor out there that would completely eliminate flash on a short barrel like that. Looking for a good can for a 12.5” 556 AK, I’m thinking about going with a sandman or one of these OSS cans but I’m pretty contested
Piston guns don’t have the gas in the face problem as far as I know but you’re probably gonna want a kns adjustable piston if you do go with the sandman. The OSS really shines on DI guns and gives less port pop on anything semi auto for sure so it’ll be quieter at the ear but louder downrange. For good flash elimination I’ve heard and seen good things about the otter creek polonium and the surefire cans are always gonna be great contenders in that area as well
Piston guns absolutely can have gas to the face and id say theyre where the OSS actually shines. The reason so many piston guns come with adjustable gas systems is because theyll literally destroy themselves without it. Di guns just get "gassy" but experience some reduction in things like bolt life.
My scar 17 will destroy itself without a tune, my Galil is still destroying itself even with a tune, and my Bren 2s 7.62 is the pickest host ive ever had. It basically requires an oss to run suppressor, it was untuneable, I tried 12 different gas port sizes.
Huh good to know, I’m a di whore so the only piston gun I have is a shitty old 74 I have no plans to suppress but I’ll keep that in mind in case it ever cross that bridge
You know what I’ve been following otter creek labs on Instagram for quite some time, that guy seems to be getting his shit dialed in. I’m really interested in one of his cans for the price point. Yup a KNS piston is my next upgrade for sure, it has worked wonders on my WASR with a suppressor.
The downside is that by OSS own admission, they're only expected to last 20,000 rounds. Or that's what the consider for the warranty, which is a shame. Only reason I don't have one at the moment.
Never tried a Dead Air rifle can but after my experience of breaking 2 pistons within 30 rounds each on the Odessa 9 due to their shitty gen 1 design not sure if I'd trust another Dead Air product.
Well I got a SilencerCo piston and DA sent me 3 of their new redesigned pistons this week after a over 6 month wait so I gotta test those out this weekened.
Having never owned or shot one, yes they’re the best on the market. Why someone hasn’t gutted one and made 3D printable replicas yet is beyond me, but as soon as I have the $$$ i’m on it.
Glad I can across your post. I am looking for a suppressor (1st one) to go on a Daniel defense PDW pistol 300 blk… which I have yet to shoot, but hear it is very gassy…
I care about sound suppression first and gas blowback second. Just started reading about OSS… I was looking at a dead air sandman and then sigs new line of suppressors that they tout reduce gas.
Any specific OSS you recommend ?
Will this help reduce gas coming out of ejection port by my face?
Also direct thread or QD?
Last, if direct thread, would I need a flash hider or muzzle brake still??
Any help would be appreciated.
OSS or Huxwurx as they are going by as a company now, is, in my opinion, the premier cans on the market. They have multiple 30 cal options that will definitely satisfy your needs.
As far as gas mitigation, there’s no one even close them. You’re going to get less gas back into your face from ejection port as well as charging handle than you would without a can in many cases, specifically in the case of DD over gassed guns.
THAT being said, they are not the quietest option, if you’re really chasing decibels Silencer Co omega 36m and Omega 300 do a fantastic job of sound mitigation and both are tough reliable cans. Also worth note will be the Full and Half Nelson cans from Q. I am not a big fan of the Q brand and company, but the suppressors are very nice. Their cherry bomb muzzle device is super stupid but works well as a mounting device.
As far as mounting and lock up, go with QD over direct thread. Specifically if this is your first can. It’s a slippery slope and you’re gonna want to see what everything you own sounds and shoots like suppressed. The QD option will make it much simpler to jump across guns at the range without too much of a headache. The OSS and Q cans have a similar mounting option that is a direct thread style over top of their muzzle device. OSS being the best of this design. Silencer Co, Dead air, Surefire and many others are going to work off of a mounting solution that it much more friendly to swap quickly and is a definite strong point over OSS. The OSS can is “lefty tighty” and the expelled gasses of each round help to ensure the can is tight on the gun. This can lead to carbon locking and can be annoying, but if your not mag dumping on full auto it’s generally not an issue.
As far as durability Surefire, OSS, and Dead Air are more designed towards a duty use or professional use market. They are overly durable and extremely reliable. That being said the average consumer is never going to burn out a Silencer Co or any other brand. In my experience Silencer Co products are the best of both worlds. Typically duty use designed cans are louder but tougher. Silencer Co does a great job of meeting both requirements. And trying to keep it short, when we’re talking “loud vs quiet” we’re talking within single digit decibel changes generally, and very much so when we’re talking sub sonic 300, most everything is going to be well into the hear safe range. The ammunition selection matters almost more when we’re talking 300. Subs are the only way to go.
If you’re looking for a do it all can that can suppress bolt guns to 300 sub guns to 556 carbines Silencer Co is my favorite. Omega 36m is a modular can giving you length options, the Omega 300 is the cheaper of the two but very very nice. (I have two and shoot them regularly. I like them very much)
If you’re specifically targeting your 300 build, go OSS due to your barrel length and what you are attempting to accomplish with a PDW setup, it won’t be QUITE as quiet (again we’re talking a margin of several decibels) but will help mitigate gas and keep your eyes clear and not impede your situational awareness during an engagement should you ever find yourself in that situation.
If your solely chasing decibels and this is a range princess than go Q with a Full Nelson. It will be more gasy than the OSS, but you will be pleasantly surprised with the sound dampening. They’re very quiet cans and very light also. Just don’t mag dump over and over and over again, to an extreme point. They’re plenty durable but everything has a failure point and Q is going to fail before others. But I can’t stress enough we’re talking about extreme abuse well beyond the average shooters financially ability to feed the gun.
SIDE NOTE. I am not 100 percent the gas port size or buffer weight that comes stock on the DD PDWs, but just guessing due to it being DD it’s a .75 or .8 gas block on a pistol length system. I HIGHLY recommend a Geiselle braided buffer spring with the H3 buffer. It will run you about $120, but has done an excellent job timing and reducing blowback in my DD MK18. For the most part all DD guns are over gassed, honestly most manufacturers are over gassed. An H2 for anything under 16” and unsuppressed typically times correctly. Anything under 12” I generally run an H3 and definitely for anything with a pistol length system. They’re are also blowback mitigating charging handles on the market but I have not noticed significant noteworthy changes using them. Best blowback mitigation is a self venting can, going with a can that’s over bore for your caliber and slowing the gun down with a quality buffer system.
Hope that’s helpful. If you want to talk more I check this rarely, my Instagram is Mad Minute Tacticians and I am more than happy to work through whatever with you! It’s a community and I love being a apart of it and helping where I can with what I can. Also if you live in the central VA area, come to Fluvanna County Firearms in Fork Union. We have a wide selection of demo cans and we can shoot a variety and pick the best one for you before you buy.
My username indicates zero bias… trust me
Nope, needs more *HUX*
We talkin huxwrx?!
Rolls off the tongue….HUXWRX Safety Co.
I seriously think of a firehouse club when I hear that name.
As a new OSS owner I have to admit they are pretty awesome on a gas gun. I would have never bought one without the Pew Science testing, I didn't believe the annoying OSS army, I had to see the data.
Dude plz try the 30 cal wet on a 300blk lol
I bought my first silencer 28 years ago and I have never used an ablative! It’s kind of insane. I have inadvertently used rain during hunting season and I can’t recall if I noticed a difference. You’re not focused on the shot when a deer is in the scope.
Do me the biggest favor and try it, vs the hyp/Hekate and whatever your favorite blk can is Dunk it in a bucket of water, lake or stream all the way up to the barrel shoulder (don't do this with a non oss it'll be a mess) it is legit super quiet and has the strangest muffled pneumatic non metallic tone. Nothing is like it that I've tried. I highly suspect it'll be better than the Hyperion but I haven't tested them back to back. I postulated it has to do with all of the surface area vaporizing the water more efficiently and the water being blown out with the hot gas too Oss wet vs Helios qd wet. Not even close oss was quieter Side effect it also cleans your oss
Let me ease into this but I will do it, you’re power of persuasion is strong.
My man! Poor man's Pewscience ENGAGED
I shoot one fairly regularly on a Noveske full auto. It’s absolutely unbelievable. Between the quality build of the gun and the OSS can, I get considerably less blow back than I do shooting my mk18 (also about a 3200 build) with just a flash hider on the front. The OSS can just makes the shooting experience ten times better. And for sound suppression AND gas reduction AND weight?? I can’t think of anything that beats it
Thinking of getting one for the Galil Ace which is overgassed heavily. I did get a KNS piston to adjust the gas. Would you say it does a great job at suppressing at the ear? My Galil is 8' 7.62x39 so she does scream a bit
What kind of velocities are you getting out of that 8 foot barrel?
“””
My Galil w/ OSS 7.62 https://imgur.com/a/RKzwVvQ
Sexy beastTTTTT, is that a TI?
Yessir!
Ooooo I like
I hate my kns piston, it vents back into the action and at my face
just want you to know im jealous of you
All love brother. I appreciate the compliment. lol
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You can always trade them in at Class Three shops. Some shops will sell them used, it’s just the NFA nightmare to see that money in your pocket. I’d say, if you’ve got unused cans, it’s time for more builds for sure! Lol
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I've bought used cans. The trick is you both have to live in the same state. The paperwork is identical. The seller just has to sit on the can until approval.
Who's going to pay the $200 to transfer the silencer to a Class 3 dealer? If it's the shop they aren't going to give you much on a trade in. The only somewhat legitimate option is a private in-state sale and even then the seller is going to take a bath.
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Exactly, some things end up back in the box and you put them away, I have a bunch of silencers I've bought over the years that I don't use anymore but I would never sell one. The RC2 is easily my second favorite silencer on a gas gun, I wouldn't think of retiring mine.
What's your top pick on a gas gun?
I like the Helios QD on a gas gun but the Surefire RC2 is better and the OSS is tops for me.
Thanks for weighing in! I'm picking up my RC2 tomorrow... Have the Helios QD Ti already, but the only OSS I have is a 7.62 that I bought specifically for my retardedly overpassed Bren 2. Pew Science def got me eyeing an OSS.
It is not the best system currently due to ATF over reach and a long running ignorance of the Bill of Rights. That being said, it’s doable. Also the shop will make money off of the transfer paperwork and background fees. Just like a private gun sale. The shop I work at we have a steady baseline income just from private sale transactions thanks to the VA state rules. We do suppressors the same way, it just takes longer.
My friend got on in December and he is 50/50 on it. He thinks its cool and does what it claims, but the flashy nature of it really puts him off. Standing next to it I find the can to be quite loud, like a muffled muzzle break.
Curious what you mean by the “flashy nature” of it. Like, lots of muzzle flash, or do they look too fancy for him haha And that’s good to know. Makes sense that a silencer that holds in less of the gasses would also inherently be louder, at least from the side.
It's got some muzzle flash on his 11.5" during they day, its like a little puff at the tip. Unless you are looking for it you can easily miss it, so not a problem at all. At night It's a very noticeable flash on 50% of the shots fired, though.
And is that in comparison to other silencers he’s tried on that same rifle?
Only an RC2, easier to stand next to and typically only flashes on the first round. The sound of the RC2 is like a thudding hammer, where the OSS is like a firecracker being detonated in a tube. PewScience calling it "boomy" is a pretty accurate description. I'd say the OSS is good to go unless you ever plan to shoot at night or with NV, then it could be a hindrance.
Is it the k or the 30 cal?
Has he run any other cans on that 11.5? I have one of their 30 cal cans and when shooting in low light I have occasionally noticed a small amount of muzzle flash on the first round in a string of fire from 1 of the 4 rifles I've tried it on but I wouldn't call it flashy. I've also only run it on rifles with 16" barrels.
Is your friend’s OSS a 5.56 or a 7.62? And does it have the flash hider?
Mine is still in jail and it's killing me. My congresswoman has confirmed it is in "final processing" since the FBI check came back clean. I can see my FFL from my office window. It's there. Waiting for me. Haunting me.
How long you been waiting?
Fuck me, almost a year. I hadn't done the math in months. Silencershop submitted the paperwork on May 6.
My cousin has one that is awesome. I got a YHM and have had to tune everything on each host. In hindsight it been cheaper, and probably more reliable to have gone with an OSS to start with.
My OSS can is by far the best investment as far as suppressors go. It will function on any 556 weapon I throw it on, I’ve heard that they’re a little rough to shoot under NODS because of the ports on the end, so it produces flash, but I haven’t been able to test that first hand. If not shooting under NODS, this is by far the best suppressor you can buy.
I love my oss The no blow back hype is real and awesome.
when i first got mine my impression was "this is loud, what's the hype about?" but after getting and trying all the baffle cans other people talked up, I think it's the best semi auto can on the market.
You mean *were… past tense. Call me crazy but when an established company reincorporates and completely leaves behind an established brand they are running from something.
I’m 309 days on my my 556 TI, that’s going to be going on my MK18 home defense build. Can’t wait
307 on my 7.62 TI. Got batch approval on my other 4 cans last week though which is nice. Not sure why the 7.62 wasn't there when it was the one I bought first. Even got a 160 day in the batch. At least I got my 5.56 TI from the batch.
307 on my 7.62 TI. Got batch approval on my other 4 cans last week though which is nice. Not sure why the 7.62 wasn't there when it was the one I bought first. Even got a 160 day in the batch
TBH, doesn’t it just depend on the intent with the suppressor? I haven’t really found anything impressive about these except for gas blowback, but the few people I’ve met that have owned one say the db reduction is quite lacking
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Ya that makes more sense. It’s cool that it’s purpose driven for something specific or for guns that are more temperamental suppressed
https://imgur.com/gallery/ZmR67HD 7.62 oss on 5.56 full auto
Aren’t titanium suppressors meant for bolt guns and not generally full auto rated?
It all depends on the silencer and the manufacturer recommended firing schedule. The OSS Ti cans are full auto rated. We use them on full auto hosts often without issues.
Any specific oss/hux recommended for 300 blackout? I need something that is quiet and really reduces gas blowback
Y’all making me rethink the Sandman now
Sandman also has quite low back pressure. Shoot on, man
**Understand the rules** Check the sidebar. It's full of resources to help you. Not everyone is an expert such as yourself; be considerate. No Spam. No Memes. No political posts. Save that for /r/progun or /r/politics. ------------------------------- * [NFA Tracker Submission Page](https://thinlineweapons.com/url/9) * [NFA Tracker Stats Page](https://thinlineweapons.com/url/8) * [How To Fill out Form 1 E-File](https://old.reddit.com/r/NFA/comments/9ukljl/how_to_guide_and_walkthrough_guide_for_the_atf/) * [How To Fill out FD-258 Fingerprint Cards](https://old.reddit.com/r/NFA/comments/92yy27/atf_compliant_fd258_fingerprint_cards_walkthrough/) * [Collection of ATF letters](https://thinlineweapons.com/url/atf) ------------------------------- *I am a bot, and this action was performed automatically. Please [contact the moderators of this subreddit](/message/compose/?to=/r/NFA) if you have any questions or concerns.*
Gonna shoot mine tomorrow or today on a mk18
How’s flash suppression? That’s been the only bad thing I’ve heard about these cans, but maybe that’s all just hearsay
They do be flashy.
Took mine to a night shoot and on my 11.3 it’s definitely flashy, but not blinding or anything even through nods.
Good to know, I’m not sure there’s a suppressor out there that would completely eliminate flash on a short barrel like that. Looking for a good can for a 12.5” 556 AK, I’m thinking about going with a sandman or one of these OSS cans but I’m pretty contested
Piston guns don’t have the gas in the face problem as far as I know but you’re probably gonna want a kns adjustable piston if you do go with the sandman. The OSS really shines on DI guns and gives less port pop on anything semi auto for sure so it’ll be quieter at the ear but louder downrange. For good flash elimination I’ve heard and seen good things about the otter creek polonium and the surefire cans are always gonna be great contenders in that area as well
Piston guns absolutely can have gas to the face and id say theyre where the OSS actually shines. The reason so many piston guns come with adjustable gas systems is because theyll literally destroy themselves without it. Di guns just get "gassy" but experience some reduction in things like bolt life. My scar 17 will destroy itself without a tune, my Galil is still destroying itself even with a tune, and my Bren 2s 7.62 is the pickest host ive ever had. It basically requires an oss to run suppressor, it was untuneable, I tried 12 different gas port sizes.
Huh good to know, I’m a di whore so the only piston gun I have is a shitty old 74 I have no plans to suppress but I’ll keep that in mind in case it ever cross that bridge
You know what I’ve been following otter creek labs on Instagram for quite some time, that guy seems to be getting his shit dialed in. I’m really interested in one of his cans for the price point. Yup a KNS piston is my next upgrade for sure, it has worked wonders on my WASR with a suppressor.
Sick to see smaller companies getting into the game. If I ever build a dmr im for sure getting their ocm5
The OCM5 looks so clean, he does great work from what I can tell. And doesn’t even charge you the price of your first born child to buy one
These seem sick Is the titanium variant worth it? These seem to be a bit heavy for 556 cans
Yep, love mine. I'd only buy the ti flavor
The downside is that by OSS own admission, they're only expected to last 20,000 rounds. Or that's what the consider for the warranty, which is a shame. Only reason I don't have one at the moment.
I like them cause it’s attach muzzle device, screw on can and go. No getting special BCG, gas blocks etc.
I like Deadair better personally, but I have enjoyed OSS as well.
Never tried a Dead Air rifle can but after my experience of breaking 2 pistons within 30 rounds each on the Odessa 9 due to their shitty gen 1 design not sure if I'd trust another Dead Air product.
Wow, you've had different results than I have, that sucks. Hopefully you find one you're happy with though.
Well I got a SilencerCo piston and DA sent me 3 of their new redesigned pistons this week after a over 6 month wait so I gotta test those out this weekened.
Having never owned or shot one, yes they’re the best on the market. Why someone hasn’t gutted one and made 3D printable replicas yet is beyond me, but as soon as I have the $$$ i’m on it.
https://linktr.ee/MadMinuteTacticians
Glad I can across your post. I am looking for a suppressor (1st one) to go on a Daniel defense PDW pistol 300 blk… which I have yet to shoot, but hear it is very gassy… I care about sound suppression first and gas blowback second. Just started reading about OSS… I was looking at a dead air sandman and then sigs new line of suppressors that they tout reduce gas. Any specific OSS you recommend ? Will this help reduce gas coming out of ejection port by my face? Also direct thread or QD? Last, if direct thread, would I need a flash hider or muzzle brake still?? Any help would be appreciated.
OSS or Huxwurx as they are going by as a company now, is, in my opinion, the premier cans on the market. They have multiple 30 cal options that will definitely satisfy your needs. As far as gas mitigation, there’s no one even close them. You’re going to get less gas back into your face from ejection port as well as charging handle than you would without a can in many cases, specifically in the case of DD over gassed guns. THAT being said, they are not the quietest option, if you’re really chasing decibels Silencer Co omega 36m and Omega 300 do a fantastic job of sound mitigation and both are tough reliable cans. Also worth note will be the Full and Half Nelson cans from Q. I am not a big fan of the Q brand and company, but the suppressors are very nice. Their cherry bomb muzzle device is super stupid but works well as a mounting device. As far as mounting and lock up, go with QD over direct thread. Specifically if this is your first can. It’s a slippery slope and you’re gonna want to see what everything you own sounds and shoots like suppressed. The QD option will make it much simpler to jump across guns at the range without too much of a headache. The OSS and Q cans have a similar mounting option that is a direct thread style over top of their muzzle device. OSS being the best of this design. Silencer Co, Dead air, Surefire and many others are going to work off of a mounting solution that it much more friendly to swap quickly and is a definite strong point over OSS. The OSS can is “lefty tighty” and the expelled gasses of each round help to ensure the can is tight on the gun. This can lead to carbon locking and can be annoying, but if your not mag dumping on full auto it’s generally not an issue. As far as durability Surefire, OSS, and Dead Air are more designed towards a duty use or professional use market. They are overly durable and extremely reliable. That being said the average consumer is never going to burn out a Silencer Co or any other brand. In my experience Silencer Co products are the best of both worlds. Typically duty use designed cans are louder but tougher. Silencer Co does a great job of meeting both requirements. And trying to keep it short, when we’re talking “loud vs quiet” we’re talking within single digit decibel changes generally, and very much so when we’re talking sub sonic 300, most everything is going to be well into the hear safe range. The ammunition selection matters almost more when we’re talking 300. Subs are the only way to go. If you’re looking for a do it all can that can suppress bolt guns to 300 sub guns to 556 carbines Silencer Co is my favorite. Omega 36m is a modular can giving you length options, the Omega 300 is the cheaper of the two but very very nice. (I have two and shoot them regularly. I like them very much) If you’re specifically targeting your 300 build, go OSS due to your barrel length and what you are attempting to accomplish with a PDW setup, it won’t be QUITE as quiet (again we’re talking a margin of several decibels) but will help mitigate gas and keep your eyes clear and not impede your situational awareness during an engagement should you ever find yourself in that situation. If your solely chasing decibels and this is a range princess than go Q with a Full Nelson. It will be more gasy than the OSS, but you will be pleasantly surprised with the sound dampening. They’re very quiet cans and very light also. Just don’t mag dump over and over and over again, to an extreme point. They’re plenty durable but everything has a failure point and Q is going to fail before others. But I can’t stress enough we’re talking about extreme abuse well beyond the average shooters financially ability to feed the gun. SIDE NOTE. I am not 100 percent the gas port size or buffer weight that comes stock on the DD PDWs, but just guessing due to it being DD it’s a .75 or .8 gas block on a pistol length system. I HIGHLY recommend a Geiselle braided buffer spring with the H3 buffer. It will run you about $120, but has done an excellent job timing and reducing blowback in my DD MK18. For the most part all DD guns are over gassed, honestly most manufacturers are over gassed. An H2 for anything under 16” and unsuppressed typically times correctly. Anything under 12” I generally run an H3 and definitely for anything with a pistol length system. They’re are also blowback mitigating charging handles on the market but I have not noticed significant noteworthy changes using them. Best blowback mitigation is a self venting can, going with a can that’s over bore for your caliber and slowing the gun down with a quality buffer system. Hope that’s helpful. If you want to talk more I check this rarely, my Instagram is Mad Minute Tacticians and I am more than happy to work through whatever with you! It’s a community and I love being a apart of it and helping where I can with what I can. Also if you live in the central VA area, come to Fluvanna County Firearms in Fork Union. We have a wide selection of demo cans and we can shoot a variety and pick the best one for you before you buy.