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CMMG Mk4LE Optics Ready, 5.56mm Upper Receiver Group

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CMMG, Inc.
Typically ships the same business day when ordered before 4pm CST.
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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, bolt carrier group is included and everything on this complete unit features a matte black finish.

Features and Specifications:
Manufacturer Number:55BE191
5.56mm NATO (Accepts .223 Remington)
16" M4 profile barrel
Polymer hand guard
Railed gas block
A2 Flash hider
Threaded 1/2x28
Forged 7075-T6 Aluminum M4 type upper receiver
Matte black


Item#: ARR-118-018
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