The fmk g3 has an optic-ready slide that does not require mounting plates! the custom-designed slide allows mounting any burris fastfire 3, vortex viper, vortex venom, or trijicon rmr optics.Each fmk9c1-g3 comes with a redesigned metal slide stop and fast action trigger mechanism for the shooting enthusiast who prefers a quick short trigger pull with a drop-free magazine.Another unique feature is the grip that has a rubberized backstrap.This backstrap effectively reduces felt recoil and hugs and grips the palm of the shooting hand to provide a comfortable, positive grip.The result is a grip that seems to mold to the shooters hand instead of having to mold your hand to fit the grip.The fmk9c1-g3 is ergonomically built to fit both large and small hands comfortably.The barrel is engineered to sit low for superior point-and-shoot accuracy and reduced muzzle flip, and the fmk9c1-g3 has virtually no external protrusions, making it ideal for concealed carry.Of course, its proudly american.Frame Finish: Dark GrayAction: SAOCaliber: 9mm LugerBarrel Length: 4"Capacity: 14+1Safety: TriggerGrips: Black Interchangeable BackstrapSlide Description: Optic Cut/Serrated