CMMG AR-15 Lightweight Threaded Barrel 5.56 NATO 20" Chrome Lined Manganese Phospate

CMMG, Inc.
815835018171
55DD10C
9-300052
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This barrel from CMMG is the perfect choice for a lightweight AR-15 rifle build. It is a 20" light taper profile with rifle length gas port. The barrel is chambered for 5.56 NATO and has a properly installed M4 barrel extension. The muzzle is threaded 1/2x28. It is made from 4150 chome moly vanadium steel, has a 1:7" twist rate, is chrome lined and manganese phosphate finished.

Specifications and Features
CMMG 55DD10C
5.56 NATO (accepts .223 Remington)
20" light taper profile
4150 chome moly vanadium steel
Chrome lined
1:7" twist
Rifle length gas port
Muzzle threaded 1/2x28
Manganese phosphate finish