Description Receiver scope mount for 2nd generation Big Boy rifles (September 2011 and later) which feature receivers that are drilled and tapped for the scope mount. Accepts Weaver style detachable one-inch top mount rings. 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.