CMMG 12.5" MR Barrel Assembly 300 Blackout with LPGB

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: 30D8AFF
Multi Role Profile
4140 Chrome Moly
Salt Bath Nitride Finish inside and out
1:7 Twist
300 AAC Blackout Chamber
Threaded 5/8-24
Pistol length gas port
.750" Gas Journal
F Marked Front Sight Base
.705" lo-ro Gas Block
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.