Remington 1100 Anniversary Engraved 28

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BHI AR57 5.7x28mm AR-15 Upper, 50rd Mag, 12

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AAC 9" 300 Blackout Upper

Complete 9" .300 AAC BLACKOUT Upper Receiver Assembly
Availability: Out of stock

Complete 300 AAC BLACKOUT Upper Receiver Assembly
- 9" Nitrided 1:8: Twist Barrel, threaded 5/8-24
- AAC 51T BLACKOUT™ Flash Hider
- "Full Auto" Bolt Carrier Group (BCG)
- KAC URX Rail
- Ready to drop onto your AR15/M16/M4 lower! Works with an AR lower with "Mil-Spec" push pin locations.

More Information
UPC Code84712800684
ManufacturerAdvanced Armament
Caliber.300 Blackout
Barrel Length (in)9"
Rifling1 in 8"
Accessory RailYes
Additional InfoAll NFA Rules Apply. Mounting this on a rifle lower will create a short barrel rifle. It is fine to use on a pistol lower.
WarrantyWarranty provided by Advanced Armament. Warranty information is available for Advanced Armament products at
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