CMMG Barrel 16.1 M4 4140 Chrome Molly SBN 5.56


97 in stock

97 in stock

SKU: RS-CMMG55DE10A Categories: , ,


Perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly headspaced.
16.1″ M4 Profile4140 Chrome MolySalt Bath Nitride Finish inside and out1:7 Twist5.56×45 NATO ChamberThreaded 1/2-28Carbine length gas port.750″ Gas Journal

Additional information

Weight 23.986294146867 oz


No additional specifications are currently available.

MSR Arms Advisor

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