01-01-2014, 04:47 PM
mongoosesnipe Wrote:one thing everyone seems to forget is the black out is not an original idea by any means it has been around for 20+ years as the 300 whisper and it was designed to be a subsonic cartridge the blackout is just a sammi approved version
Exactly. For while, I was only able to find 300 Whisper Hornady factory loads. The spent brass is almost identical to my spent 300BLK brass, the shoulder was just a little further back (.04 or so) on one of them.
