How fast will you push one of your .30 / .303 cast gas checked 204grain boolits, and with what powder?
Type: Posts; User: Cordite
How fast will you push one of your .30 / .303 cast gas checked 204grain boolits, and with what powder?
Shape of bullet has something to do with that. Given equal subsonic / trans-sonic velocities, a spire pointed boat-tail bullet will have less surrounding supersonic waves than a round/flat-nose...