FK Brno PSD 7.5 FK 5.3" Barrel 16-RoundsCALIBERS: MAIN STANDARD (INCLUDED) 7.5 FKOPTIONAL (CONVERSION KIT) 10 MM/40 S&WOPTIONAL (CONVERSION KIT) 9 MM LUGER +PBARREL LIFE: 20,000 ROUNDS 7.5 FK30,000 ROUNDS. 10 MM/40 S&WBARREL LENGTH: 136 MM (5.3)WEIGHT: 1100 G (38.8 OZ)LENGTH: 230 MM (9.05)WIDTH: 30 MM (1.2)HEIGHT: 135 MM (5.3) / WITH SIGHT 146 MM (5.75)FRAME: HIGH STRENGTH COMPOSITE POLYMERSTEEL MATERIAL: HIGH STRENGTH MIL SPEC ALLOY STEELFINISH COLOR: NITRIDE / DARK GRAYMAGAZINE CAPACITY: 7.5 FK 16 ROUNDS10 MM AUTO 10 ROUNDS9 MM 17 ROUNDSFK PIN POINT (INCLUDED)3 DOT (INCLUDED)OPTIC MOUNTING POINT (STANDARD)