Barnes Suppressor Series Sierra MatchKing Rifle Ammunition .300 Blackout 220gr HP 1060 fps 20/ct

SUPPRESSOR SERIES is a purpose-built subsonic ammunition line optimized for suppressor use featuring premium Sierra projectiles loaded to Barnes’ exacting standards. Barnes subsonic loads utilize clean-burning propellants to reduce gas blowback improve cycling in semi-auto platforms and deliver noticeably quieter shots through suppressor-ready firearms.