300BlkTalk

Sight is a Trijicon RMR LED w. 2 moa dot. I expect to see the accuracy settle after 50-100 rounds but I have never seen a barrel shoot this poorly when new which is whats worrying me. It's my first 300 blk upper so I was wondering if there is such a large shift between bullet weights. I have a 556 u...

I recently finished an 8" upper build using a barrel from Aeroprecision 1:7" twist rate. I believe the Aero barrels are sourced from Ballistic Advantage but im not sure. First range trip did not go well however. 50 yard groups ( longest available in my area) were running 5 inches with 187 ...