BARNES BULLETS SUPPRESSOR SERIES 308 WINCHESTER SIERRA GAMEKING RIFLE AMMO SUPPRESSOR SERIES is a purpose-built ammunition line engineered for the explosive growth in suppressor ownership, featuring premium Sierra projectiles loaded to Barnes' exacting standards. Our initial 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. SPECS Product Line: Suppressor Series Cartridge: 308 Win Purpose: Match/Target Pursuit: Target, Medium Game Bullet Material: Jacketed Lead Core Mfg: Barnes Bullets