New customer? Start here.
Your shopping cart is currently empty.
Flat Rate Shipping on ALL Items
$144.99USDAvailability: In stock
Perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly head-spaced.
Email to a Friend
CMMG Barrel, .300AAC Blackout, 16.1" Barrel, 1:7 Twist, Carbine 4140 Chrome Moly Salt Bath Nitride Finish, 5/8"-24 TPI
Be the first to review this product
Use spaces to separate tags. Use single quotes (') for phrases.