American Tactical Imports GERG2210M1911CA: This pistol brings updated and unique features to the 1911 platform: 22 LR high velocity caliber, 10 round capacity (detachable), semi-automatic recoil operated working system, 5\" barrel length, and 8.5\" overall length with 6 grooves. The GSG-1911 features the same weight and feel of a classic 1911 pistol but with 80 percent interchangeable parts, guaranteed 5lb trigger and threaded barrel (permanent thread protector installed on CA model)