Welcome to Cheaper Than Dirt! Shop 200,000+ deals on firearms, ammunition, gun parts, survival gear and more. All in stock and ready to ship.

CMMG Mk4T AR-15 Complete Upper Assembly 5.56 NATO 16"

Submit a review
CMMG, Inc.
Typically ships the same business day when ordered before 4pm CST.
Add To Wishlist Tell A Friend
Can we ship this to you?
Featuring CMMG's RKM KeyMod free float hand guard, the Mk4T upper assembly would be an excellent choice for your next build. This upper has a 16" stainless steel medium weight taper profile barrel, and is ready to pin to any mil-spec lower. The KeyMod system provides incredible modularity and versatility as well as providing more than adequate cooling ventilation for the barrel.

Features and Specifications:
5.56 NATO (accepts .223 Remington)
16" medium weight taper profile, 416 stainless steel
1:7" twist
Muzzle threaded 1/2-28
A2 compensator
Forged 7075-T6 aluminum receiver, hard coat type III anodized
M4 feed ramps
CMMG RKM11 KeyMod hand guard
Charging handle
Bolt carrier group included


Item#: ARR-118-021
Be the first to review this product.

Submit a review