CMMG 16" Lightweight SBN Barrel, 5.56MM - Lightweight

The 16.1" lightweight is the perfect barrel for building your custom lightweight AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly head-spaced.

Description:

• 16.1"
• Light Taper Profile
• 4140CM
• Salt Bath Nitride Finish
• 1:7 Twist
• 5.56-45 NATO Chamber
• Threaded 1/2-28
• Mid length gas port
• .625" Gas Journal