Stonehold MAST .300 AAC Blackout ammunition is loaded with a 220 grain Sierra MatchKing Open Tip Match (OTM) bullet designed for subsonic performance in .300 AAC Blackout firearms.
Key Features
220 grain Sierra MatchKing Open Tip Match (OTM) bullet
Subsonic-ready .300 AAC Blackout loading
Brass-cased ammunition for reliable feeding and handling
Match-style projectile suited for precision-focused shooting
Stock up for range sessions or practice with dependable subsonic .300 AAC Blackout performance from Stonehold MAST.
