The Kriss Vector SDP is a family of semi-automatic pistols chambered in a variety of calibers. These pistols feature flip up adjustable front and rear sights as well as a pair of picatinny rails allowing users to attach their choice of optics and other accessories. The Vector SDPs 5.5 barrel is manufactured from 4140 chromoly steel while the furniture is black polymer composite. DETAILS Operating System Closed bolt delayed-blowback patented KSV System - Caliber 10 mm - 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