300 Blackout Suppressed 300 Blackout Not Cycling Subsonic Suppressed
Using a decibel reader to test how quiet .22 subsonic ammunition is shooting a S&W M&P 15-22 using a Gemtech HALO silencer. I have a noveske 16" with carbine gas, but it cycles fine with both super and subs, suppressed or not. not lock back shooting subsonic loads Make your Suppressed AR Suck Less | Tuning ...