10.5" Super Duty 5.56 Barrel + Low Profile Gas Block + Gas Tube | BUNDLE

10.5" Old Testament Firearms SUPER DUTY Barrel 5.56 NATO

• Full-Auto Rated
• 11º Target Crown Muzzle
• 4150 CMV
• Carbine Length Gas System
• 1:7 Twist Rate
• .750 Gas Block Journal Size
• .073" Gas Port Size
• 1/2-28 Threaded Muzzle
• Blacknitride+ Coated
• 100% American Made

Old Testament Firearms Low Profile Gas Block

• 4140 Steel
• Nitride Coated
• Compatible with Most Free Float Handguards (Inc. All OTF Handguards)

Nitride Coated Gas Tube w/Roll Pin

• Increased Heat Resistance
• Increased Corrosion Resistance
• Looks Bad Ass