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Keep in mind that low velocity rounds increase the possibility of a squib load.
I always thought bolt action .22 helps to keep noise down as well when compared to straight blowback. Maybe it was just that they mostly had longer barrels. How much noise comes out of blowback actions vs a locked breech?
Freegards
I shot a SBR AR-15 once. Wow, a real ear killer.
😉👌
This Ping List is for all news pertaining to infringes upon or victories for the 2nd Amendment.
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Would you happen to know of a .22 bolt gun that will reliably stabilize and shoot the Aguila 60grain subsonic load?
The Al Quaeda rats don’t hear the gunshot when they’re taken out by our sniper. All his friends standing nearby hear is the pink splatter landing on their uniforms.
I always enjoy shooting .357Sig at the range. No matter how many shots are going off around me, the first time I pulled the trigger it really turns people’s heads.
I just did sound tests and here are some of the results.
No Silencer
4” barrel pistol: ~116db. Best: Federal 22 Subsonic (115.6db).
16.5” barrel rifle: ~113db. Best: 105db, Aguila 60gr subsonic (105.6db).
With Silencer
4” barrel pistol: ~99db. Best: Federal 22 target (98.4db), Aguila 60 subsonic (99db).
16.5” barrel rifle: ~98db. Best: 105db, Aguila 60gr subsonic (93.4db)
Basically, all weapons and ammo seem to center on 116db unsuppressed, and 96db suppressed. The suppressor provided 20db reduction. Some suppressor do up to 30db, but most 22cal suppressors only do 20db.
These numbers are also similar to what I measured using various rifle combinations of 5.56mm, 300 Blackout, 6.8, and 300 winmag. The 300 winmag was 144db and suppressed at 116db using a 30db can.
Rifles do tend to be quieter than pistols, but only by 3db. 22LR is quieter than 9mm, but still audible at many hundreds of yards. A suppressed 22LR is quiet at about 200 yards.
Quiet is relative, but I use the metric that if a sentry can hear it, then it is not quiet enough. A suppressed 22 using a 20db suppressor is quiet only past 200 yards.
Also, the First Round Pop (FRP) of the silencer is important. It raises the noise by 10db compared to the second shot. The silencer I was using did not experience FRP except on high velocity rounds like the CCI Stinger. Subsonic rounds did not experience FRP at all.
I have probably zapped more vermin with my Remington 581 22lr bolt action using CCI CB Longs, than anything else I own.
“Using a subsonic load in a long barreled gun can produce relatively quiet gunshots without a silencer or suppressor.”
Yes. Or low powered loads in a short barrel pistol. Favorite “Mob Hit Man” load. .22 short in a 2” revolver. I’m not sure why this article was necessary? More gunpowder, more noise. Short version.
—works in shotguns, too—
—several years ago, IIRC, Cabela’s sold 40 inch replacement barrel for some popular shotguns—with light loads, almost to report—