Stainless Steel

Proof Research 6.5 Grendel AR Type Steel Barrel

Proof Research 6.5 CM Zermatt Arms Pre-Fit Steel Barrel – Multiple Size Options

Proof Research 6.5 CM Terminus Pre-Fit Steel Barrel – Multiple Options

Proof Research 6.5 CM Savage Pre-Fit Steel Barrel

Proof Research 6.5 CM Ruger Pre-Fit Steel Barrel

Proof Research 6.5 CM Defiance Ruckus Pre-Fit Steel Barrel

Proof Research 6 GT Zermatt Arms Pre-Fit Steel Barrel – Multiple Options

Proof Research 6 GT Terminus Pre-Fit Steel Barrel – Multiple Options

Proof Research 6 GT Lone Peak Pre-Fit Steel Barrel

Proof Research 6 GT Impact Precision Pre-Fit Steel Barrel

Proof Research 6 GT Defiance Ruckus Pre-Fit Steel Barrel

Proof Research 6 Dasher Zermatt Arms Pre-Fit Steel Barrel – Multiple Size Options