Shadow Systems SS-1010 : MR920 9mm Black Frame Elite Slide Optic DLC Spiral Threaded Barrel DLC SS Rod Green TritMR920 9mm Black Frame Elite Slide Optic Spiral Threaded Barrel Bronze SS Rod Grn Trit - Barrel : 4 (unthreaded) 4 1/2 (threaded) - Length : 7 1/8 - Height : 4 3/4 - Weight : 1 lb 4.5 oz - Caliber : 9mm - Trigger : Flat-faced 4-4.5 lb Trigger Pull - Magazines : 2x 15 Round Magpul Magazines