CMMG Mk4 HT AR-15 Complete Upper, 16" SS 300 BLK, Keymod

CMMG, Inc.
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CMMG AR-15 Upper Receiver Group, Mk4 16" HT 416 SS, 300 Blackout with 11" KeyMod Free Float

The Mk4 HT Upper Group comes ready to hunt, plink, or target shoot suppressed or unsupressed with a CMMG's RKM11 KeyMod hand guard and a 416 stainless steel carbine barrel in a heavy taper profile. This 300 BLK upper features a threaded muzzle with thread protector, 11" freefloat KeyMod handguards, mil-spec charging handle and CMMG bolt carrier group assembly.

Specifications and Features:
Manufacturer Number: 30B2C4E
Caliber: 300 AAC Blackout
Barrel: 16.1", 1:7 twist, heavy taper, 416SS, Bead blasted finish
Muzzle: thread protector, threaded 5/8-24
Hand Guard: CMMG RKM11 KeyMod hand guard
Upper Rcvr: Forged 7075-T6 AL M4 type upper
Gas Port Location: Carbine