Sig Sauer Match 300 AAC Blackout 125gr OTM Rifle Ammo - 20 Rounds - SIG SAUER supersonic rounds feature a 125gr Projectile for superior accuracy and minimal dispersion when suppressed. Consistent bullet weight retention with minimal velocity variations results from optimized shell case metallurgy with premium primers. Rounds are precision-loaded using state-of-the-art, electromechanical monitoring for geometric conformity. Features Made in the USA ; Minimal velocity variations; Precision loaded for conformity; Temperature stable propellants;