CMMG AR-15 Complete Upper Receiver .300 AAC Blackout 16" M300 Profile Barrel Low Profile Gas Block K9 Free Float Quad Rail M16 BCG Black 30BF827

CMMG, Inc.
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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 30BF827
.300 AAC Blackout
16" M300 profile, WASP treated 4140 Chrome-moly steel barrel
1:7" Twist rate
Threaded 5/8x24
K9 4 Rail Free float handguard
Low profile gas block
Flash hider
Full Auto M16 bolt carrier group
Matte black