Remington 300 AAC Blackout 220 Grain Open Tip Flat Base SUBSONIC 50 round box



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Remington UMC 300 AAC Blackout Rifle Ammunition  (7.62x35mm), Subsonic 220 Grain Open Tip.

Designed from the ground-up to provide quiet, reliable performance, this round is perfect for AR-15s chambered in 300 AAC Blackout. The bullet was created specifically for the 300 AAC Blackout, combining the popular 220 grain, open tip design with a new, flat base.

A cannelure ensures consistent loaded length and allows the brass crimp to hold the bullet firmly in place, eliminating the possibility of bullet setback. The powder load was developed to provide reliable extraction and cycling in the AR-15, while keeping the bullet subsonic. Primers are sealed to ensure ignition in all weather conditions.

The result is a round designed to load into any AR-15 magazine, feed reliably, shoot accurately, and do it quietly. Fantastic for use with a suppressor.


  • Caliber: 300 Blackout
  • Bullet Weight: 220 Grains
  • Bullet Type: Jacketed Hollow Point
  • Case Type: Brass
  • Muzzle Velocity: 1015 FPS
  • Muzzle Energy: 503 ft. lbs.



Additional information

Weight 1.3 lbs
Dimensions 1 × 1 × 1 in




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