This is a Gen 3 Glock Pistol Aaron. (GLOCK 17L 9MM Long Slide Adjustable Sights 2-17rd Gen 3 6.02" Barrel . (( GLOCK® G17L 9MM •Competition version of the Glock 17 •Features longer slide & sight channel to improve accuracy, & added weight for less recoil •Extended slide release lever •Longer magazine release button •Top of the slide is cut away to reduce weight •Accessory rail •Adjustable sights •6.49" line of sight •4.5 lb. trigger pull •0.5" trigger travel •RH hexagonal barrel rifling w/1:9.84" twist •Black finish •Width: 1.18" •Ht.: 5.43" •OAL: 8.85" •Wt.: 23.63 oz. (unloaded) Cal. 9x19mm Brl.: 6.03" Cap.: 17 )).