Quality compact deep carry .40 S&W, 5rd and 6rd mags, with mag-na-port slide and barrel, trigger is double action like butter. Kahr is one of the safest carry pistols out there because of the trigger, it cant be accidentally discharged, which was designed by John Browning a famous firearm designer, he designed the ma duce .50 and many other notably famous firearms. Mag-na-port offers a unique system of porting semi-automatics by using a trapezoidal port through the barrel and an oversized expansion vent through the slide to allow maximum dissipation without fouling. This process offers an alternative to shooters not wanting additonal weight or length from add on compensators, $175 service.