GLOCK 17 GEN 4 MOS SLIDE ASSEMBLY ONLY. COMES WITH SLIDE, BARREL, MOS OPTICS KIT & RECOIL SPRING (AS SEEN IN PHOTOS) FFL NOT REQUIRED FOR THIS ITEM IT WILL SHIP USPS PRIORITY TO YOUR HOME BILLING ADDRESS. THANK YOU FOR LOOKING. 

**********PLEASE NOTE!!!!*********** We stock several add ons for this item. Including but not limited to Vortex Venom & Viper, Trijicon RMR's, Leupold Delta Point Pro, Tru Glo Trijicon Raised Night Sights, Zev Raised Sights, Silencerco & Zev Threaded barrels.