B.O.R. Lock Mz 50 Caliber 270gr Copper Muzzleloader Bullets - 50 Caliber 270gr Trophy Copper Bullets 15/Pack

The B.O.R. Lock MZ(TM) .50 Caliber Trophy Copper muzzleloader bullet's easy-to-load, sabot-free design delivers excellent accuracy and impressive penetration. Federal's innovative B.O.R. Lock MZ(TM) System has an expanding polymer base cup that grips the rifling with a tight seal for maximum velocity and superior accuracy. The Federal B.O.R. Lock MZ(TM) .50 Caliber muzzleloader bullet's 270 grain copper-alloy projectile has a deep cavity surrounded by skives that work with the polymer tip to de