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CMMG AR-15 Upper Receiver .223 Rem/5.56 NATO 16" Stainless Steel Bull Barrel Free Float Tube Flat Top 55BBBE4
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Manufacturer: CMMG, Inc. 55BBBE4
Item: 2-CMMG55BBBE4
UPC: 815835010045

With quick and easy pull of two pins transform your tactical AR into a handy hunting or target rifle. The CMMG stainless bull barrel soaks up recoil and gives fantastic accuracy.

Specifications and Features:
Chambered for 5.56 NATO (accepts .223 Remington)
1:9 twist
11 degree recessed target crown
Stainless Steel Barrel
Forged M4 upper receiver is T marked and has M4 feed ramp cuts

Barrels are engraved CMMG MPC 5.56 NATO 1:9. Each upper is head spaced and test fired before shipping. The upper is built off of our standard forged A3 receiver with M4 feed ramps. The barrel is our 4140 steel, Bull Barrel profile, 5.56mm chamber and bore and 1:9 twist ratio. The upper includes a low profile gas block and smooth free float tube.
 
 
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CMMG AR-15 Upper Receiver .223 Rem/5.56 NATO 16 Stainless Steel Bull Barrel Free Float Tube  Flat Top 55BBBE4
CMMG AR-15 Upper Receiver .223 Rem/5.56 NATO 16 Stainless Steel Bull Barrel Free Float Tube Flat Top 55BBBE4
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