• Winner! Quick Shot Challenge: Caption This Sniper Fail Meme

    View thread

Suppressed 9mm

B.A.C.

@LRimfire on RFC, @Ten-X on AGN
Full Member
Minuteman
Dec 9, 2011
198
19
TX
I bought a Dead Air Mask last year. 6 months later I bought a TBAC Ultra 9. I'm hooked and I want to suppress everything. What platform should I consider for shooting suppressed 9mm? I'm leaning towards a PCC. No SBRs. It will mostly be used as a range toy, but don't take that to mean I'm indifferent towards reliability. I would like to keep it under $2,000 not including optics. LRBHO is ideal.
 
Do you reload? What ammo will you shoot? Not all Factory 147gr will stay subsonic from a 16" barrel.

If no SBR l, what about pistol brace? Keeping the barrel short makes for a much better balance and feel.

I'd go with this:
It is radial delayed blowback, so quieter and safer than the simple blowbacks. Glock mags and they offer buffer weights to tune performance.

Pick a barrel length based on how much handguard you want to hold and mount stuff on.
3-lug muzzle and dot sight gets it done.
 
  • Like
Reactions: Redlion
If going CMMG make sure it is the new fixed ejector version. The AR style spring ejector bolt has proven to be unreliable after 300-500 rds. Have one myself and can confirm it is a dud. Switched over to the PSA AR-V pistol with a Maxim Roller Delayed Buffer system. It uses 35 rd Scorpion style mags and they can be had pretty cheap through Magpul, PSA and used CZ. The only down side to the delayed buffer is the initial charging effort. About 30 lbs of force is needed to cycle the buffer. I use an over sized charging handle and it is not bad. Much smoother shooting than straight blowback actions. Mine is an 8" pistol with YHM R9 suppressor.
 
  • Like
Reactions: Redlion
I'm running the CMMG DISSENT 9mm 10.5" and I honestly couldn't be happier.

Excellent accuracy and my PWS BDE Ti 45 works excellent.

The only downside I have now is because it doesn't utilizes a full length carrier my FRT-15L3 triggers are non compatible.

Everything I've ran through it has been 100% reliable. With the Winchester 147 Super Suppressed ammo I'm getting 2" groups at 50 yard with a Holosun Greed Dot.
 
I bought a Dead Air Mask last year. 6 months later I bought a TBAC Ultra 9. I'm hooked and I want to suppress everything. What platform should I consider for shooting suppressed 9mm? I'm leaning towards a PCC. No SBRs. It will mostly be used as a range toy, but don't take that to mean I'm indifferent towards reliability. I would like to keep it under $2,000 not including optics. LRBHO is ideal.
Man, you sound like me. I started with a 5.56 suppressor, just to "take the edge off" for times when I couldn't always wear hearing protection. Now ... I don't want to shoot unsuppressed. 9mm is great suppressed. It's cheap and has enough thump to satisfy that itch.

I'd try to stick with a shorter barrel for two reasons. 1, a rig can get long and unwieldy and just not as much fun. 2, too much barrel and some 147s will get to supersonic. Or worse, you're blinking along suppressed and not attracting attention, then hit that hot round and it goes super sonic.

There was a mention above of sticking to the CMMG model with the fixed ejector. I don't agree. As far as I know, all of the fixed ejector models are straight blow back and straight blow back is not what you want.

I'd look into some flavor of delayed blow back. Either radial or roller delayed and I'm not talking about any contraption that has the delay mechanism built into the buffer. The buffer deal is a PITA.

What I wanted was something that I could abuse, was simple and when it broke, I could get parts for. I put one together using a radial blowback setup from CMMG. Their barrel and bolt carrier group. Mine has seen thousands upon thousands of rounds and runs well. I don't know about the problems people had with the ejector. It's probably real, but when I got mine, I replaced the extractor and ejector springs like I do in all of my BCGs and I never had a problem.