Fusion Firearms 357 Sig Gov UMG Barrel Clark/Para Bull Stainless Steel. These Pistol Barrels by Fusion Firearms are made from stress relieved 416R rifle grade stainless steel for maximum strength and durability. Each of these Fusion Firearms Ultra-high Quality Pistol Barrels delivers a guaranteed minimum rifling wall thickness for optimal accuracy and precision. Reliable durability in the field on the shooting range and in competition are what make these barrels some of the most in-demand products on the market. Swap in these Fusion Firearms Ultra-high Grade Barrels for your pistol build for a whole new shooting experience. Specifications for Fusion Firearms UMG Barrels Gov: Manufacturer: Fusion Firearms Color: Silver Finish: Stainless Steel Fabric/Material: 416R Rifle Grade Stainless Steel Barrel Length: 5 in Gun Make: 1911 Platform Gun Model: Colt 1911 Government 5in Condition: New Quantity: 1 Package Contents: Fusion Firearms UMG Barrels Gov What firearm models does the manufacturer say Fusion Firearms UMG Barrels Gov is compatible with? The manufacturer says that Fusion Firearms UMG Barrels Gov is compatible with Colt 1911 Government 5inFusion Firearms 1911-BBL-1-255: 1911 357 Sig Gov UMG Barrel Clark/Para Bull Stainles Steel