Glock 19X, 9mm, 3 Magazines (One 17+1 and Two 19+1), Glock Night Sights, Coyote Tan Finish Slide and Frame, 4.02: Barrel, 3 Separate Automatic Safeties, 17 Frame and 19 Slide, Ambidextrous Slide Stop Levers, Glock Marksman Barrel, Compatible with Gen4 Magazines Only.