Perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly head spaced.
$173.00 CMMG BBL 300BLK 16.1″ MT 4140CM SBN Total in Stock: 11 Total in Stock: 11 Perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly head spaced. 815835016238 CMMG 30D120A Rifle 1:7" Medium Taper Profile Carbine Length .300 AAC Blackout Nitride 16.10" Barrel Sub-Assembly 16.1" Rifle Barrels Carbine BlackCMMG BBL 300BLK 16.1″ MT 4140CM SBN
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