Black DLC Spiral Fluted Barrel with Optic Cut - Caliber: 9mm - Barrel: 4 (unthreaded) - Length: 7 1/8 - Height: 4 3/4 - Weight: 1 lb 5.3 oz - Trigger: Flat-faced 4-4.5 lb Trigger Pull - Magazines: 2x 15 Round Magpul Magazines - Optics Ready: Trijicon RMR/Holosun pattern optic cut