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Core15 M4 AR-15 Complete Upper Assembly .300 AAC Blackout 16" Barrel Flat Top Receiver Black 9924

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CORE15 Rifle Systems
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Get one of the most popular modern calibers for your AR with the CORE15 .300 AAC Blackout Complete Upper. This upper is a flat top upper and it is ready to accept whichever optic your want for your rifle. The upper comes with a Magpul MOE forearm and a SureFire 3 prong flash hider.

Specification and Features:
Magnetic particle inspected carpenter 158 bolt assembly
Chrome lined 8620 steel bolt carrier and bolt carrier key
Magpul MOE carbine forearm
SureFire 3 prong flash hider
Carbine length gas system
416R stainless steel barrel
Low Profile Gas Block
.300 AAC Blackout
Laser T-markings
M4 flattop upper
Internal dry lube
Standard profile
16" barrel
1:7 twist
Oxide finish

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