Purchased New and Never Used. - 5.7mm Threaded-Barrel for Ruger-57 Pistol.
Made by the respected firearms & accessories firm of Alex Pro Firearms (APF) in Alexandria Minnesota (www.apfarmory.com).
Unlike most others this one is a complete 4-piece package with barrel, extension, thread-protector & o-ring gasket.
Has 1:9" twist rifling that matches your factory Ruger barrel.
6.25-inch total length. Finish matches your factory Ruger barrel.