07-19-2020, 06:28 PM
Houndrunner Wrote:Yes every round o tested on manual extraction has marks on the brass. Even some on the bullet itself.The marks on the projectile are they round circles ? My BCA barrel will leave 2 round cuts into the projectile and none of my other guns does this. The upper actually shoots great just not for many rounds. It runs perfectly and accurate up to about the 20th round then it gets wild LoL

