Freedom Munitions HUSH Subsonic 300 AAC Blackout 220gr HPBT Rifle Ammo - 50 Rounds - Purpose-built for suppressed rifles, HUSH Subsonic .300 Blackout ammo is engineered for stealth, precision, and flawless cycling. Each round runs quiet while maintaining the accuracy and terminal performance serious shooters expect. New production, non-corrosive, reloadable brass-loaded with pride in Lewiston, Idaho, USA.