Manufacturing of the Fusion Firearms “UMG” 1911 Match grade barrels starts with 416R Certified Stainless steel(eddystone verified, Rifle grade), Gun drilled, reamed, Precision broached Cut Rifled, Hand honed and Air-gaged bores, accu-bored chambers, all precision cnc machined and manufactured with basic fitting points on the back of the hood and bottom of feet, so that most folks with a hand file can precision fit for lock-up and superior accuracy. The “UMG” barrels are available in a .696” diameter cone bull barrel, and a .581 Boss Diameter end. In addition, the .581 Barrel Boss is precision turned to a length that the 6 standard barrels can be cut back to 5 inch or commander, giving the gunsmith a very precise and flexible barrel platform to work with. These barrel are also available with the standard government barrel foot profile or the shorter commander. 

Stress relieve and heat treat, Vacuum Harden (38-42 HRC), Vacuum Temper.