Williams Gun Sight Co. Scope Mount Drill Fixture. Simple, easy - to - clamp jig aligns the proper drills and taps so you get perfectly centered holes! USA MADE !
Get cleanly-threaded scope base holes without all the extra set-up time and hassle! Based on the simple principle of sliding parallels, this "jig" places locking, hardened drill bushings in one of three different hole spacing patterns, to match almost any scope base.The info: