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“CMMG, Barrel, 300 AAC Blackout, 16.1″ Barrel, 1:7 Twist, Carbine 4140 CrMo Salt Bath Nitride Finish, 5/8″-24 TPI” has been added to your cart. View cart
CMMG, Barrel, 350 Legend, 16.1″, 1:16 Twist, Carbine Length, Black SBN Finish, Threaded 1/2-28
$4,596.96
CMMG
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Description
Description
Perfect for building your custom Mk4 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly head spaced. Made of 4140CM with a SBN Finish.
