Thread: 300 BLK AR Replacement - Plan B iteration #27

Originally Posted by PommyMcPomFace

With a bolt gun you can make up some proper bunny fart loads for 300BLK. Quieter than equivalent 308 subs will be. 308 has lots more case capacity and a case full of Trail Boss produces a greater volume of gas than the tiny amount of AP70/AP100 that you can get away with in the BLK does. Slightly more consistent too since the powder's used more efficiently.

Why would you fill up the case with Trail Boss @PommyMcPomFace ? In my 308 7.5 grain is going at 1065fps.