Description Diamondback Firearms is proud to announce its line of DB10 rifles made entirely in the USA.SEMI AUTO ,20 ROUNDS, 16 inch BARREL 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.