JP Enterprises GMR-15 9mm Billet Lower Receiver Kit 9mm A Glock G17 Magazine Compatible A Mil-Spec Upper Compatible A Proprietary Components Included A Matte Black The JP Enterprises GMR-15 billet lower receiver kit accepts Glock G17 magazines and mates to any mil-spec compatible upper receiver. Includes all proprietary bolt catch, magazine catch, and ejector components required for function. Matte black finish. Intended for home builders completing a 9mm Pistol Caliber Carbine build. SKU: JPGMR15LR-K1. Glock G17 Magazine Compatible Accepts Glock G17 magazines for 9mm PCC builds. The Glock magazine platform provides widespread aftermarket availability across varied capacity options. Mil-Spec Upper Compatible Mates to any mil-spec compatible upper receiver. The standard mil-spec interface provides broad upper receiver compatibility for custom PCC builds. Proprietary Components Included Kit includes all proprietary bolt catch, magazine catch, and ejector components required for function. All components necessary for 9mm PCC operation are included in the kit. Billet Construction Billet lower receiver provides tight tolerances and precise machining. Matte black finish. The JP Enterprises GMR-15 kit delivers 9mm PCC billet lower foundation-Glock G17 magazine compatible with all proprietary components included for mil-spec upper pairing. Specifications: Manufacturer: JP Enterprises Model: GMR-15 Lower Receiver Kit SKU: JPGMR15LR-K1 Caliber: 9mm Construction: Billet Magazine Compatibility: Glock G17 Upper Compatibility: Mil-Spec Finish: Matte Black Included: Proprietary Bolt Catch, Magazine Catch, Ejector