Proof Research

Proof Research

AR-15 Barrels | 6 ARC | Stainless Steel

PROOF designed their AR barrels with the goal of improving performance and reliability in the AR platform. The Caliber Matched Gas System (CAMGAS) results in a gas system that is tuned specifically...

Proof Research

AR-15 Barrels | 6 ARC | Carbon Fiber

PROOF designed their AR barrels with the goal of improving performance and reliability in the AR platform. The Caliber Matched Gas System (CAMGAS) results in a gas system that is tuned specifically...

Proof Research

Mini Fix Barrels | 6.5 Grendel | Carbon Fiber

If you order a 6 ARC; 22 ARC; or 6.5 Grendel barrel; please make sure you have the appropriate bolt face to run these barrels! We sell complete Mini Fix bolts that are a drop-in solution to allow you...

Proof Research

Mini Fix Barrels | 6 ARC | Carbon Fiber

If you order a 6 ARC; 22 ARC; or 6.5 Grendel barrel; please make sure you have the appropriate bolt face to run these barrels! We sell complete Mini Fix bolts that are a drop-in solution to allow you...

Proof Research

Mini Fix Barrels | 338 ARC | Carbon Fiber

If you order a 6 ARC; 22 ARC; or 6.5 Grendel barrel; please make sure you have the appropriate bolt face to run these barrels! We sell complete Mini Fix bolts that are a drop-in solution to allow you...

Proof Research

Mini Fix Barrels | 300 BLK | Carbon Fiber

If you order a 6 ARC; 22 ARC; or 6.5 Grendel barrel; please make sure you have the appropriate bolt face to run these barrels! We sell complete Mini Fix bolts that are a drop-in solution to allow you...

Proof Research

Mini Fix Barrels | 223 Rem | Carbon Fiber

If you order a 6 ARC; 22 ARC; or 6.5 Grendel barrel; please make sure you have the appropriate bolt face to run these barrels! We sell complete Mini Fix bolts that are a drop-in solution to allow you...

Proof Research

Mini Fix Barrels | 22 ARC | Carbon Fiber

If you order a 6 ARC; 22 ARC; or 6.5 Grendel barrel; please make sure you have the appropriate bolt face to run these barrels! We sell complete Mini Fix bolts that are a drop-in solution to allow you...

Proof Research

Impact Pre-Fit Barrels | 6.5 CM | Stainless Steel

PROOF Research pre-fit barrels are to be installed in a simple operation requiring few specialized tools. These traditional steel or carbon fiber barrels come chambered and threaded for an easy...

Proof Research

Impact Pre-Fit Barrels | 6 GT | Stainless Steel

PROOF Research pre-fit barrels are to be installed in a simple operation requiring few specialized tools. These traditional steel or carbon fiber barrels come chambered and threaded for an easy...

Proof Research

Impact Pre-Fit Barrels | 6 Dasher | Stainless Steel

PROOF Research pre-fit barrels are to be installed in a simple operation requiring few specialized tools. These traditional steel or carbon fiber barrels come chambered and threaded for an easy...

Proof Research

Impact Pre-Fit Barrels | 25 CM | Stainless Steel

PROOF Research pre-fit barrels are to be installed in a simple operation requiring few specialized tools. These traditional steel or carbon fiber barrels come chambered and threaded for an easy...