CMMG 5.56mm GP 20" Barrel Sub-Assembly, Phosphate

Description: CMMG 5.56mm GP 20" Barrel Sub-Assembly, Phosphate. Featuring a maganese phosphate coating, this 20" barrel is designed for the AR-15 firearm platform chambered in 5.56x45mm. Perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly headspaced.

Features:

• 20" Length
• Government Profile
• 4150 Chrome Moly Vanadium
• Maganese Phosphate Coated
• Chrome Lined
• 1:7 Twist
• 5.56x45 NATO Chamber
• Threaded 1/2" x 28
• Rifle length gas port
• .750" Gas Journal

Note: It is recommended that all CMMG parts be installed by a qualified and trained gunsmith.

Manufacturer: CMMG

PRODUCT SPECIFICATIONS:

• Barrel Length: 20"
• Barrel Thread Pitch: 1/2" x 28 TPI
• Brand: CMMG
• Caliber: .223 Rem,5.56x45mm
• Finish / Color: Black
• Firearm Type: Rifle
• Material: Steel
• Models Fit: AR-15