Description Machined steel construction. Five different ring heights. Available in gloss blue, matte blue or silver finish. Precision engineered to match up with STD one-piece and two-piece bases. 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.