Rellim Arms .223/5.56 16" Barrel Kit (Barrel Only Requires Rellim Upper)

Rellim Arms .223/5.56 Barrel Kit Specs:

Rellim Arms Proprietary QD Barrel Nut
Rainier Arms Urban Combat Low Profile M-Lok Proprietary Handguard
16" .223/5.56 Barrel 1:7 Inch Twist
All Proprietary Parts CNC machined from 7075 T6 Aluminum
Mil-Spec Type III Class 2 Hardcoat Anodize
Manufactured and Assembled in the USA
Limited LIFETIME WARRANTY
Patents Pending