Single action tilting barrel positive-lock mechanism pistol with a patented recoil attenuating system developed specifically to handle the potent and highly terminal 7.5 FK cartridge.Features: Calibers: 75 fk Barrel length: 136 mm (5.3a ^2) Weight: 1100 g (38.8 oz) Length: 230 mm (9.05a ^2) Width: 30 mm (1.2a ^2) Height: 135 mm (5.3a ^2) / with sight 146 mm (5.75a ^2) Frame: high strength composite polymer Steel material: high strength mil spec alloy steel Finish color: nitride / dark gray Magazine capacity:16 rounds Front sight: fk diamond Fk pin point Rear sight: fk ring sight standard 3 dot optional Optic mounting point standard Barrel life: 20000 rounds in 75 fk 30000 rounds in 10 mm/40 s&w