CMMG 12.5" Multi Role AR-15 Barrel Assembly 5.56mm

CMMG, Inc.
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Perfect for building your custom AR-15 upper group. Comes with properly installed M4 barrel extension, barrel nut, .750 lo-pro gas block, hand guard cap, pinned F marked front sight base, sling loop, and front sight post. All barrel assemblies are properly headspaced.

Features and Specifications:
Manufacturer Number: 55DDF7C
Multi Role Profile
4140 Chrome Moly
Salt Bath Nitride Finish inside and out
1:7 Twist
5.5645 NATO Chamber
Threaded 1/2-28
Carbine length gas port
.750" Gas Journal
.750" Low-Profile Gas Block
F Marked Front Sight Base

Installing this product will subject it to NFA laws and doing so without a license is a felony possession of a Class III firearm. Check your local laws.