Description This Diamondback DB15 Rifle features a carbine-length, medium 4150 chrome moly barrel, mid-length gas system and a shot-peened Mil-Spec 8620 bolt carrier. It utilizes 7075-T6 aluminum receivers, 15" M-Lok handguard, Magpul MOE-K2 grip, and a Magpul CTR stock. This model has a Diamondback Black Gold lower receive Firearms, trailers, and some accessories are only available for purchase in stores. Each location follows all BATF and individual state/county/city laws to insure the desired product is legal for sale. Any info provided online is subject to change, please go to your local store for more accurate information.