Fusion Firearms “Ultra Match Grade” (UMG) 1911 Gunsmith fit, barrel blank. Available in Standard, Wilson/Nowlin and Para/Clark Ramped versions. With Government or commander barrel foot profile. Completely Manufactured in the USA from 416R Certified Stainless steel(eddystone verified, Rifle grade), Precision button Rifled, Hand honed and Air-gaged bore, 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. These barrel blanks are precision machined to a basic bull barrel diameter is .696” which is standard for all Colt Style Bull barrel configurations. The 9mm barrel blanks come in 6.120” inch length and the 45 and 40 Caliber are available in 2 lengths, 6.120” & 7.120” inch. Long enough so that it can be turned back to any desired length you may want. Barrel-Throat area is also left with additional material so that you can finish this the way you desire for your custom project. Great for custom projects such as “Wildcat Cartridges”, threading, Fluting, Venting, Porting …etc. Barrel hood Not engraved.