New Frontier Armory 5.56mm AR M4 Profile Barrel

Description

The New Frontier Armory 5.56mm AR M4 Profile Barrel is proudly MADE IN THE USA by hard working American men and women.

• High quality US made 4140 Chromoly Steel
• Black nitride
• 1:7 Twist Rate
• 1/2x 28 thread pitch
• Carbine Length Gas System
• M4 feed ramps
• M4 Profile
• .750 Gas Block Shoulder
• Button Rifled