Shadow Systems Item Number: SS-3022Striker Fired Semi Auto Pistol9mm Luger17+1 Rounds4.5" Threaded 416R Stainless Steel Spiral Fluted BarrelMatch Grade Barrel with Black Nitride Finish17-4 Stainless Steel Slide Flat Dark Earth FinishMulti Optic Cut SlideFront, Rear and Topside Directional Slide SerrationsWeight Optimizing Window CutsGreen Tritium Front SightBlack Serrated Rear SightAllows 1/3 Co-Witness with Most OpticsAluminum Flat-Faced Trigger with 4.5-5.0 lbs. Trigger PullFull Size Polymer Frame with Accessory RailAggressive Grip TextureExtended Upswept BeavertailRecoil Control LedgeInterchangeable BackstrapsUndercut Trigger GuardFDE FrameOverall Length: 7-3/8"Height: 5-1/4"Weight: 20 oz