Setting a new standard for modern striker-fired duty pistols with a host of patent pending features this modular pistol is designed around a robust stainless steel chassis. Engineered with superior ergonomics and built to withstand the harshest conditions the 15-round Echelon 4.5 9mm pistol is configured for residents in states with magazine capacity limitations. In addition this fully ambidextrous pistol employs a revolutionary optics mounting system that allows for unparalleled adaptability with a broad range of optics. - Caliber 9mm - Color Black - Barrel 4.5 Hammer Forged Steel Melonite Finish 1:10 - Slide Billet Machined Melonite Finish Optics Ready - Frame Black Polymer - Sights Tritium / Luminescent Front Tactical Rack U-Dot Rear - Recoil System Captive - Grip Width 1.2 - Magazines (2) 15-Round - Weight 23.9 oz - Length 8 - Height 5.5