Diamondback DB175AK062:The Diamondback DB15 Carbon Series features a carbine length gas system; shot-peened, magnetic particle inspected mil-spec 8620 carrier BCG; A3 flattop, T-marked upper; handguard- front and rear QD, hand stop, 15" M-LOK rail with texture pads, Picatinny rail. Includes 30rd Magpul Gen M2 PMAG.