Rock Island DY9 9mm Luger 15+1 3.86" Black Steel Barrel, Black Melonite Optic Cut/Serrated Steel Slide, Black Polymer Frame w/Picatinny Rail, Black Interchangeable Backstrap Grip The DY9 is ergonomically tested and is perfect for all shooting types including recreational, self-defense and law enforcement. Features Truglo Rear and front sights, optic cut with two plates (fits Truglo, Docter, Meopta, Insight, Vortex, Trijicon). Includes four backstraps, guide rod, gun brush, Allen key, cleaning rod and one magazine.