M&P15T
05-17-14, 12:53
An interesting test done, comparing brass/copper ammo to the Russian Steal/Copper ammo, and it's effects on barrels.
http://www.luckygunner.com/labs/bras...el-cased-ammo/
http://www.luckygunner.com/labs/bras...el-cased-ammo/
View Full Version : Ammo Type & Barrel Wear/Life/Performance