Proof Research AR 15 Steel Barrels

Proof Research AR 15 steel Barrels are the most accurate AR barrels available for the AR-15 Rifle Platform. Because Proof Steel AR-15 Drop in Barrels are the #1 selling Steel AR 15 Barrel, They are trusted by top tier custom rifle builders who are serious about reliability and extreme accuracy. The Proof AR 15 Steel Barrel is available in many different lengths and calibers to choose from, like: 204 Ruger, 223 Wylde, 224 Valkyrie, 22 Nosler, 6.5 Grendel, 6.8 SPC, 300 Blk, 350 Legend and 450 Bushmaster.

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: Included
• Barrel: Steel Barrel
• Calibers Available: 223 Wylde, 22 ARC, 6 ARC, 6.5 Grendel, 300 Blk, 338 ARC