The Diamondback DB15 is a semi-automatic AR-style pistol chambered in 5.56 NATO/.223 Rem with a 10″ 4150 Chrome Moly cold hammer-forged barrel finished in black nitride, 7075-T6 aluminum receivers, a 9″ free-float M-LOK handguard, and an SB Tactical SBA3 pistol brace, delivering a versatile, optics-ready platform with a 30+1 capacity. A Magpul MOE grip, A2 flash hider, adjustable low-profile gas system, and one 30-round magazine round out a complete, USA-made AR pistol built for home defense, target shooting, and tactical applications. For AR pistol shooters who want a reliable, accurate 5.56 NATO platform with a free-float handguard and SBA3 brace at a practical price point.