Thread: brno barrel

fill barrel with crc 5.56 over night and then give it a plurry good clean.....try pistol primers......entirely up to you,read up on risks BUT many folks swear by it in the wee case with its lower pressure...and flat based speer will possibly gold as are softer than most and MAY soak into what rifling is there better.... go hotter and it might improove..... and he is using hornet sized projectiles???? possibly try .224 maybe speer 50 grn flat base hp just a few will tell if better or still crap,I believe hornets are .223??? sized so maybe upping projectile will help.....