This is incorrect. I toured the Thunderbeast factory and discussed cans at length with the tech who gave the tour. I also shoot the breeze with Zak Smith (Thunderbeast owner) at precision rifle matches. Through a lot of testing, Thunderbeast has determined that there is an imperceptible difference in noise for using a larger-hole can on a smaller-bore rifle.
I have a TBAC Ultra-9 with a 308 bore, and I use it for both my 308 and 6.5 bolt action rifles. I have also attached it to 6mm bore rifles. The Ultra-9 does a great job suppressing all of them. My Ultra-9 has a direct thread attachment. I have a TBAC 223 can which is direct thread.
I have a Surefire SOCOM 308 can which I use on AR-15s -- both 223 and 300blk uppers. It does just fine with either bore and it suppresses noise equally well with the different bores. My SOCOM can is QD, and I have either brakes or flash hiders on the rifles that use the SOCOM. The QD works well.
Zak Smith originally stated that precision rifles should have the direct thread for repeatability. This past year he stated TBAC now has a QD mount that is repeatable as direct thread. I can't speak for the repeatability of other QD mounts. However, the SOCOM QD mount seems to be very consistent, especially with all the movement I do with it between rifles.
I've never had issues removing any of my 3 cans when hot, cold, or anywhere in between. Understand that cans get a lot hotter than your barrel, therefore always have a thick glove handy when shooting with cans.
I use my 30 cal can on various rifles, while I cant say if there is a differnce between the same can in a 5.56 only version, I cna say that I can tell a differnce when shooting 5.56 through a 30 cal can with and without a 30 cal end cap. At my ear,(which is what matters to me) a 30 cal can with .224 end cap is quieter thant the same can with .30 end cap. Same is true for my GhostM when shooting on 9mm. Quiter with 9mm end cap thatn with the .45 end cap.
I liked the Omega so much I bought a second one I mainly shoot 300 BO and 556 but, am in the process of getting into the .308 market . My Omegas have served me well.
Its been a while since I've been in the market, I have an OPS 12th .30 and its great in performance but the mounts are kind of a pain. I think if I was in the market currently I'd take a strong look at Sigs rifle cans. I'm actually kind of considering a SRD338 for my Lapua.
I often shoot 556 though my OPS 30 can and it sounds good but I've heard guys shoot the ops 556 can with 556 and I recall thinking it was a bit quieter that way. I'd have to actually sit down and do a side by side to be sure.
|Dean of Law|
Sandman long if you want arguably the quietest can on the market.
H. Dean Phillips
$99 Gun Trusts
I’m happy with my my older Saker in 7.62 and Omega, they’ve both been “upgraded” with Key Mo mounts so I can use what’s arguably a better mounting system made by Dead Air. No issues with either except the Saker is heavy! If I were starting over I think I’d look at a Rugged Micro 30. Very good company to deal with, but so are Dead Air and SiCo.
"Attack life, it's going to kill you anyway." Steve McQueen...
My 2cents..... I have a Silencerco Harvester 30 cal can. Works great on my 300 whisper ( I'm old) and 556 AR. Other cams may be quieter, but the light weight Harvester on my T/C Contemder is hardly noticeable.
On the AR it isn't an issue at all.
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