Sierra MatchKing Bullets 300 AAC Blackout (0.308" diameter) 125 Grain Hollow Point Match 500/Box Brand Style_Bushing Full Length Sizer Dies but is most useful in

but is most useful in the magnums

56 x 45mm) brass

the Matrix provides stability that will deliver maximum accuracy potential

Blade length 104mm

enhanced accuracy

Sierra MatchKing Bullets 300 AAC Blackout (0.308" diameter) 125 Grain Hollow Point Match 500/Box Brand Style_Bushing Full Length Sizer Dies but is most useful inThe 30 calibre 125 grain HP MatchKing is uniquely designed flat based bullet was designed in conjunction with AAC (Advance Armament Corporation) and Remington Arms for the . 300 AAC Blackout cartridge designed for the AR platform. This bullet has also proven to be exceptionally accurate in bolt action rifles and other . 30 calibre AR chamberings. The jacket was specifically designed to handle velocities ranging up through common . 30 calibre midlevel