Proof Research AR 15 Barrels

Proof Research AR 15 Barrels are the lightest most accurate AR barrels available for the AR-15 Rifle Platform. Because Proof Carbon Fiber AR-15 Drop in Barrels are the #1 selling carbon fiber AR 15 Barrel, They are trusted by top tier custom rifle builders who are serious about reliability and extreme accuracy. The Proof AR 15 Barrel is available in many different lengths and calibers to choose from, like: 223 Wylde, 6.5 Grendel, 300 Blk.

Xtreme Guns and Ammo Carries the full line of Proof Barrels, Cant find what you are looking for? Browse our large selection Proof barrels in stock Online!

• Barrel Lengths: 11.5-24 inch Depending on Caliber
• Threaded: Yes
• Gas Tube: Included
• Gas Block: Not Included
• Barrel: Carbon Fiber Wrapped Steel Barrel
• Calibers Available: 6.5 Grendel, 223 Wylde, 6.5 ARC, 300 Blk