6 CM

Proof Research Elevation 6 CM Pre-Fit Carbon Fiber Barrel

Proof Research 6 CM Daniel Defense Pre-Fit Carbon Fiber Barrel

Proof Research 6CM Lone Peak Pre-Fit Steel Barrel

Proof Research 6CM Lone Peak Pre-Fit Carbon Fiber Barrel – Multiple Options

Proof Research 6CM Impact Precision Pre-Fit Steel Barrel

Proof Research 6 CM Barrett MRAD Carbon Fiber Pre Fit Barrel – Multiple Options

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

Proof Research 6 CM Terminus Pre-Fit Carbon Fiber Barrel – Multiple Options

Proof Research 6 CM Defiance Ruckus Pre-Fit Carbon Fiber Barrel – Multiple Options

Proof Research 6 CM Accuracy International Pre-Fit Carbon Fiber Barrel – Multiple Size Options

Proof Research 6 CM Accuracy International Pre-Fit Steel Barrel – Multiple Options

Proof Research 6 CM Ruger Pre-Fit Steel Barrel