Sons of Liberty Gun Works barrels just gotten even better. Their Combat V2 Profile barrels are made from 4150CrMov steel, High Pressure Tested and QPQ (Melonite) treated inside and out for extra durability.

Features :

• Mid Length Gas System
• 4150CrMov Steel Construction
• 1/2x28 Muzzle Threading
• V2 Profile
• "5.56 NATO, 16" Length,