Caliber: .300 Blackout Type: Elite Match Grade OTM Muzzle Velocity: 2200 fps Muzzle Energy: 1343 ft-lb Quantity: 20 rounds SIG SAUER supersonic rounds feature a 125gr Sierra Match King 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.