The MK23 X-Calibur CO pistol delivers a delightful shooting experience with its crisp trigger and short reset, catering to the precision demands of the sport shooting. Featuring a factory-fitted red fiber optic front sight and an adjustable rear sight; an optic cut, aggressive slide and an enhanced textured grip. Includes three magazines, three interchangeable backstraps, trigger lock, bore brush, owners manual and four mounting plates compatible with Vortex/Docter Noblex, Trijicon RMR, CMORE STS2 and Shield SMS patterns.