Barrel Assembly, 12.5″ MR 4140CM SBN, 300 BLK, w/LPGB
Barrel Assembly, 12.5″ MR 4140CM SBN, 300 BLK, w/LPGB
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Perfect for building your custom AR15 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.
ALL NFA RULES APPLY
For information not covered here, or Frequently Answered Questions, check our FAQ Page.
12.5″
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
.750″ lo-pro Gas Block
For information not covered here, or Frequently Answered Questions, check our FAQ Page.
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