Sig Sauer’s 300BLK 125gr Elite Match Grade OTM supersonic rounds feature a 125gr Sierra Match King Projectile for superior accuracy and minimal dispersion when suppressed. Built with match grade brass cases that run through standard 223 Remington/5.56mm NATO components including magazines, these rounds deliver Sierra Matchking projectiles for superior accuracy, increased downrange terminal performance, and low noise level characteristics. Each 20-round box is precision engineered for shooters demanding consistent, match-grade performance.
Rounds are precision loaded using state-of-the-art, electromechanical monitoring for geometric conformity. Consistent bullet weight retention with minimal velocity variations results from optimized shell case metallurgy with premium primers. The Sig Sauer 300BLK Match Grade Centerfire Rifle Ammo is designed to bring out the best in today’s high-performance AR rifles. Whether you’re shooting suppressed systems or running precision competition loads, this ammunition delivers the reliability and accuracy that have made Sig Sauer a trusted name in quality ammunition manufacturing.
