Help and contact
United Kingdom
(0) 
Newsletter
CMMG
BARREL SUB-ASSEMBLY 5.56MM
CMMG 16.1" BBL SUB-ASSY LT 1-7 1/2-28" BLACK NITRIDE
Mfr Part: 55D470B 815835018102 Perfect for building your custom AR15 upper group. Comes with a properly installed M4 barrel extension. All barrel sub-assemblies are properly headspaced. Chambered in 5.56mm 16.1” Barrel Length M4 and Lightweight Tapers Carbine Gas System Length ½-28 Threads 1-7 Barrel Twist Salt Bath Nitride Finish
Restrictions
- Is a 'Call to order' product.
Top takeaways
- The BARREL SUB-ASSEMBLY is a 16.1" lightweight barrel designed for custom AR15 upper group builds, chambered in 5.56mm NATO, and featuring a 1-7 twist rate.
- It comes with an M4 barrel extension already installed and is headspaced, ensuring reliability and fit with AR-15 platforms.
- The barrel has a carbine-length gas system, 1/2-28 muzzle threads, and is finished with a durable salt bath nitride process in stainless black nitride.
Attributes
Cartridge: 5.56 mm NATO Contour: LT Finish: Stainless Black Nitride Gas System Length: Carbine Length: 16.1'' Make: AR-15 Muzzle Threads: 1/2-28 Twist: 1-7 Delivery weight: 0.694kg
Item details
US export classification: 0A501.c
CMMG 16.1" BBL SUB-ASSY M4 1-7 1/2-28" BLACK NITRIDE
Mfr Part: 55DE10A 815835014067 Perfect for building your custom AR15 upper group. Comes with a properly installed M4 barrel extension. All barrel sub-assemblies are properly headspaced. Chambered in 5.56mm 16.1” Barrel Length M4 and Lightweight Tapers Carbine Gas System Length ½-28 Threads 1-7 Barrel Twist Salt Bath Nitride Finish
More than 10 pieces in USA warehouse
Restrictions
- Is a 'Call to order' product.
Top takeaways
- The BARREL SUB-ASSEMBLY is a 16.1" 5.56mm barrel with a 1-7 twist rate, designed for custom AR15 upper groups.
- Features a black nitride finish, M4 barrel extension, and is headspaced for reliability.
- Includes a carbine gas system length and ½-28 muzzle threads for compatibility with various devices.
Attributes
Cartridge: 5.56 mm NATO Contour: M4 Finish: Stainless Black Nitride Gas System Length: Carbine Length: 16.1'' Make: AR-15 Muzzle Threads: 1/2-28 Twist: 1-7 Delivery weight: 0.853kg
Item details
US export classification: 0A501.c
🔫 Upgrade your AR15 with the CMMG 16.1" Barrel Sub-Assembly! 5.56mm NATO, 1-7 twist, carbine gas system & sleek black nitride finish. Learn more & get started! 🎯
Welcome!
to Brownells UK, your destination for anything gun related. With our roots in a genuine passion for firearms, we bring you an unmatched selection of Gun Parts, Firearm Accessories, Gunsmithing Tools, Scopes & Red Dot Sights and Expert Knowledge.
Whether you're looking to maintain, repair, or upgrade, we've got what you need!
For Shooters, By Shooters
We share your enthusiasm and know exactly what you're looking for because we're part of the community.
Massive Selection
From the essentials to the unique, find everything under one roof.
Our blend of tradition and innovation
Shop with the convenience of modern technology, backed by a legacy of experience.
Browse our collection and discover why we're the trusted name in shooting sports & hunting.
© 2024 Brownells UK
Part of the Brownells Europe Group
Classical view
Mobile view
