Sig Sauer .300 AAC Blackout Sierra MatchKing, 125 Grain (20 Rounds) - E300A120

Sig E300A1-20 300BLK Match Grade Supersonic 125GR Sierra MatchKing 20Box/25Case

The Sig Sauer 300BLK Match Grade Centerfire Rifle Ammo is designed to bring out the best in today's high-performance AR rifles. The ammo features match grade brass cases and will run through standard 223 Remington/5.56mm NATO components including magazines. These Supersonic rounds feature Sierra Matchking projectiles for superior accuracy, increased downrange terminal performance, and low noise level characteristics.