The stock ii pistol is an excellent performer, has always obtained results at the highest levels of world competitions (i.P.S.C.Production division), and is the undisputed queen among the double action semiautomatic sport pistols.The optics ready version of the stock ii model is designed specifically for i.P.S.C.Production optics division competitions.It allows the use of most types of optical sight thanks to a flexible mounting system.Caliber: 9mm LugerBarrel Length: 4.45"Capacity: 16+1