CMMG's Barrel Sub-Assembly is ideal for building your custom AR-15 upper group. It comes with properly installed M4 barrel extension. The barrel is constructed of 4140 chrome moly with a slat bath nitride finish and 5/8x24 threads.
PRIMARY DESCRIPTION
CMMG 30DF80A BARREL 16.1 MR 4140CM 300
SPECIFICATIONS
Condition :
New
Barcode / UPC :
815835011028
On-sale :
No
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