Maxim 300 Blackout SBA Short Barrel Ammunition 190gr Solid Copper Bullet TUI Subsonic Ammunition 20rds

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Frequently bought together:


Maxim Defense Industries, SBA Short Barrel Ammunition, 300 Blackout, 190 Grain, Solid Copper Bullet, TUI (Tumble Upon Impact) Design, 20 Round Box, Subsonic

  • Non-lead, Solid Copper Spun (SCS®) Projectile
  • Exceptional accuracy and terminal performance
  • Match-grade ammunition

At Maxim Defense, we’re committed to developing next-generation tools, equipment, and systems that exceed in the most extreme environments.

A Suppressors Impact

With the use of a suppressor, your firearm will see dramatically reduce noise and recoil. This round will cycle with and without a suppressor but we highly recommend using one. It will also cycle without gun manipulation and will work in most builds. When using a suppressor, we have found this to be one of the quietest functioning rounds.

Precise Performance

This powerful subsonic round gives you exceptional accuracy. We have tested this round at 50 yards and found it to have tight- er than a 2-inch grouping and we have had customers successfully shoot an 8-inch steel plate at 200 yards which proves this round is also reliable for hunting.

Home Defense

Our 300 Blackout Subsonic TUITM ammunition is a great home defense round. It is designed for shorter distances but has great power. In a confined area and at close quarters, this round is safe and effective for home security and law enforcement since it begins to lose momentum, so it is less likely to cause harm to the surrounding or bystanders.

WARNING This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to You must be 18+ years old to shop and or purchase on our website and 21+ to purchase Ammunition/Firearms. Check local laws before ordering as you certify you are of legal age and satisfy all federal, state, and local legal/regulatory requirements. There are NO returns or exchanges on armor, firearms, ammunition, PPE equipment. Ammo ships UPS ground to the lower 48 states.
We reserve the right to fix any critical errors.

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Additional Information

Product ID:
300 Blackout
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