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