The Echelon 4.5" 9mm threaded barrel pistol with three-dot tritium sights sets a new standard for modern striker-fired duty pistols. With a host of patent pending features this fully ambidextrous handgun is designed around a robust stainless steel chassis and a revolutionary optics mounting system. The tritium 3-dot sight configuration delivers superior low-light performance while the 1/2×28 threaded barrel is ready for mounting the suppressor of your choice.