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I've had a 16" 300blk for a couple years. I use it in conjunction with an old 18T AAC 762-SD suppressor. Some subsonics are quieter than others, but it's always been quiet.
I just built a 300blk pistol and took it out to test function and found it to be really loud. I had 3 flavors of subsonic ammo and they all seemed to be going supersonic. I was at about 1000ft elevation, it was cold and rainy, and for life of me I couldn't find any reason why that would drop the speed of sound.
A single round out of about 20 I fired came out with the quietness I've come to expect out of subs.
I tried both my 8.3" pistol and my 16" rifle. It seemed all rounds were going supersonic.
I thought perhaps the suppressor has died somehow, but I've never shot 22lr through it, and only a couple mags of cast bullets.
Any ideas? Anyone with an 18T suppressor want to go shooting and see if mine works with yours and yours works with mine?
Thanks,
Nate
I just built a 300blk pistol and took it out to test function and found it to be really loud. I had 3 flavors of subsonic ammo and they all seemed to be going supersonic. I was at about 1000ft elevation, it was cold and rainy, and for life of me I couldn't find any reason why that would drop the speed of sound.
A single round out of about 20 I fired came out with the quietness I've come to expect out of subs.
I tried both my 8.3" pistol and my 16" rifle. It seemed all rounds were going supersonic.
I thought perhaps the suppressor has died somehow, but I've never shot 22lr through it, and only a couple mags of cast bullets.
Any ideas? Anyone with an 18T suppressor want to go shooting and see if mine works with yours and yours works with mine?
Thanks,
Nate