Here's my 300BLK
10.5" barrel, supressed ,shooting subsonic home loads
Is extremely quite outside in the open ... This was filmed in a bay of a inside range so a bit louder than it would be normally but you get the idea .
Also the camera/mic is situated on the rail very close to the muzzle
http://vid652.photobucket.com/albums...300BLKEdit.mp4
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