I have a TS 9mm 5 inch barrel upper that CZ custom mated to my CZ 75 lower. CZ customs tune the DA/SA trigger as well. I seldom use this and mainly for 3 gun matches. It has conversion kit for SA only. Gun has extended mag release for easier mag change. Elevation adjustable rear sight and fiber optic front. Also included are 4 22+1 capacity mags.