Federal Premium .50 Caliber B.O.R. Lock MZ Trophy Copper Muzzleloader Bullets

FederalPremium's®.50-cal.270-gr.TrophyCopperMuzzleloaderBulletswiththeexclusiveB.O.R.LockMZ™Systemprovideoutstandingaccuracyinanon-sabotdesign.Theyareeasytoload,scrubfoulingfromthebreechandensureconsistentbulletseating.Thefoundationisapolymercuppermanentlyattachedtothebulletbase.Forceofignitionpushesthecupontoraisedbandsalongthebulletshank,expandingitsdiameterwhichengagestheriflingandsealsthebore,optimizingvelocityandaccuracy.AttherearoftheB.O.R.LockMZcupisahard,fiber-reinforcedpolymerringthatscoursfoulingfromthebreechasthebulletispushedintoplace.Thisdecreasestheneedtocleanbetweenshotsandmakesiteasytoseatthebulletatthesamedepthforeveryshot.Withnobulkysabot,requiredloadingforceaveragesabouthalfofmostsabotbullets.Thiscopper-alloybulletfeaturesapolymertip,withadeep,hollowcavityandskivingforconsistent,devastatingexpansion.Per15.