CMMG AR-15 Complete Upper Assembly 5.56 NATO 16" Barrel Piston System Revolution Hand Guard Black 55BEDE9

CMMG, Inc.
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Have you thought about converting your current AR-15 into a piston gun? Well here is your chance with this CMMG 16" 5.56 NATO upper. This complete upper assembly comes with everything you need to connect to your existing AR-15 lower receiver. Featuring a 16" bull profile barrel constructed from 4140 Chrome-moly Steel with WASP treatment. WASP or Weapon Armament Surface Protection is commonly referred to as nitriding. This process is applied to the barrel inside and out, and it provides improved wear resistance, abrasion, and corrosion resistance when compared to hard chrome lining and phosphating.

Specifications and Features:
CMMG Complete Upper Receiver 55BEDE9
5.56mm NATO (accepts .223 Remington)
16" Bull Barrel 4140 Chrome-Moly Steel Barrel
Weapon Armament Surface Protection treatment (WASP)
1:9" Twist
Piston System
M16 Bolt Group
Revolution Hand Guard with three 5 Slot Rails

AR-15 Lower Receivers