Operating System: Closed bolt delayed-blowback patented KSV System - Caliber: 40SW - Overall Length: 16.75 in / 425 mm - Overall Height: 6.8 in / 175 mm - Barrel Length: 5.5 in / 140 mm - Weight (unloaded): 5.9 lbs / 2.7 kg - Frame Material: Advanced Metal Components Advanced Polymer Composite - Magazine: 15 rds