CMMG Barrel Assembly, 16.1″ M4 4140CM SBN, 5.56mm **Sale**


In stock

$229.95 $199.95

In stock

Perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension, barrel nut, hand guard cap, pinned “F” marked front sight base, sling loop, and front sight post. All barrel assemblies are properly headspaced.

M4 Profile Barrel
Gun Quality Chrome Moly Steel
Salt Bath Nitride Finish inside and out
1:7 Twist Rate
5.56×45 NATO Chamber
Threaded 1/2-28
Carbine length gas port
.750″ Gas Journal
“F” Marked Front Sight Base



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