Complete “Ready-to-Go” Kit with an already installed threaded barrel, upgraded inner barrel and hop-up bucking (will include original barrel and bucking), as well as 2 regular mags & a WE brand extended mag (works perfectly with the gun, magwell fitment is a little tight), lastly will include a Cytac glock 17 hard shell holster w/ the original pants clip as well as a belt clip which i modified to attach to molle.