DEMO Proof Research Impact Precision Steel Pre-Fit Barrels 6 Dasher 26in 7.5 Twist 5/8-24 Short Action Competition. These barrels come chambered and threaded for an easy install - torque on ensure headspace with proper gauges and head to the range Shot for shot accuracy and performance - there is simply no better choice for the Impact Precision 737 action than our carbon fiber & steel pre-fit barrels. Specifications for Proof Research Impact Precision Pre-Fit Stainless Steel Threaded Barrels: Manufacturer: Proof Research Color: Silver Barrel Length: 26 in Barrel Profile: Competition Gun Make: Impact Precision Gun Model: Impact Precision 737 Gun Type: Rifle Flutes: No Features of Proof Research Impact Precision Pre-Fit Stainless Steel Threaded Barrels: Long-Lasting: Excellent erosion wear characteristics and corrosion resistance Extreme Pressure Resistance: An optimum combination of high tensile strength along with requisite toughness to withstand extreme chamber pressures encountered during firing Package Contents: Proof Research Impact Precision Steel Pre-Fit Barrels What firearm models does the manufacturer say Proof Research Impact Precision Pre-Fit Stainless Steel Threaded Barrels is compatible with? The manufacturer suggests that Proof Research Impact Precision Pre-Fit Stainless Steel Threaded Barrels is compatible with Impact Precision 737Proof Research 123324: Impact Precision Steel Pre-Fit Barrels 6 Dasher 26in 7.5 Twist 5/8-24 Short Action Competition