MR920 9mm Black Frame Foundation Slide Optic Black Logo Unthreaded Black Carbon Steel Guide Rod Dot Front Sight – Model: MR920 Foundation Series – Caliber: 9MM – Finish: Black Matte – Sight: Dot Front Sight Serrated Rear – Barrel Length: 4 – Overall Length: 7.125 – Weight: 23 OZ – Capacity 15+1 – # of Mags: 2 – Frame: Polymer – Features: Optic Cut for RMR & Holosun Billet Slide Parts; Undercut Frame Polymer Trigger and Guide Rod