6.5 CM

Proof Research 6.5CM AR Type Steel Barrel

Proof Research 6.5CM Impact Precision Pre-Fit Carbon Fiber Barrel – Multiple Options

Proof Research 6.5CM Sig Sauer Cross Pre-Fit Carbon Fiber Barrel

Proof Research Curtis 6.5 CM Steel Barrel

Proof Research Elevation 6.5 CM Pre-Fit Carbon Fiber Barrel

Proof Research 6.5 CM Daniel Defense Pre-Fit Carbon Fiber Barrel

Proof Research 6.5CM Lone Peak Pre-Fit Steel Barrel

Proof Research 6.5CM Lone Peak Pre-Fit Carbon Fiber Barrel – Multiple Options

Proof Research 6.5CM Impact Precision Pre-Fit Steel Barrel

Proof Research 6.5 CM Barrett MRAD Carbon Fiber Pre Fit Barrel – Multiple Options

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

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