American Tactical Inc.
ATI AR15 Omni Hybrid MAXX 300AAC Pistol Kit

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Our ALL NEW OMNI HYBRID MAXX features a fully-patented metal reinforced polymer upper receiver.  

Omni Hybrid MAXX Polymer Upper Receiver with Metal Insert
8.5" 300AAC Blackout  Black Nitride Coated Barrel 
7" Free Float Rail 
Low Profile Gas Block
Flat Top, Optics Ready
Standard AR15 Lower Parts Kit
Fully-Assembled Upper Receiver
Pistol Buffer Tube Included
Ambidextrous Sling Plate

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Please Read and Review Parts Disclaimer:

Recommended Ammunition:

  • Use only commercial grade ammunition in its original packaging that corresponds with the caliber of the gun.  The correct caliber is imprinted on the gun.
  • .300 Blackout Brass Cased Subsonic with a minimum of 187 grain and a minimum of 1050 Feet Per Second (FPS) or Brass Cased Supersonic with a minimum of 125 grain.
  • Never use reloaded, “refurbished”, hand-loaded or non standard ammunition of a different caliber.
  • Never use dirty, wet, corroded, bent, damaged or oiled ammunition.
  • Unfortunately, it is not possible to adjust a semi-automatic gun to all loads.

*Highly advise against using Steel cased ammo due to excessive wear and tear from steel and lacquered coated rounds can cause premature carbon buildup and stoppages.

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