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CMMG AR-15 MK4 T Complete Upper Receiver .300 AAC Blackout 16" Barrel RKM11 KeyMod Hand Guard A2 Muzzle Brake Matte Black 30B129A

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CMMG, Inc.
Ships from Warehouse 4
Typically ships within 1 to 2 business days.
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CMMG is a leading manufacturer of AR-15 and AR-15 related accessories. CMMG's commitment to quality and creating product at the best value at the best price is unmatched. This complete upper receiver is designed to connect seamlessly with your existing AR-15 or AR-15 pattern lower receiver. For your convenience, a bolt carrier group is included and everything on this complete unit features a matte black finish.

Specifications and Features:
CMMG Complete Upper Receiver 30B129A
.300 AAC Blackout
16" 4140 Chrome-Moly steel medium taper profile
Threaded 5/8x24
RKM11 KeyMod hand guard
Forged 7075-T6 Aluminum M4 Type Upper
CMMG A2 Compensator
Bolt carrier group
Charging Handle
Matte black


Item#: ARR-118-035,96784,3-0410031
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