Weigand Combat 1911 3rd Generation Scopemount?

Exclusive, forward frame mount design positions both optical and electronic scopes low, directly over center of slide and grip frame for better balance and pointability. Lightweight, one-piece, no-flex, dependable base stands up to the demands of competitive pistol shooting. Won't interfere with ejection or cycling. Will accept the Tasco PDP4 40mm Red Dot Scope. Mfg: Weigand Combat SPECS: Extruded aluminum, silver-anodized finish. 4 1/2" (11cm) long, 2 oz. (56g) wt. Fits 1911 Auto, Govt. length frame. Accepts Weaver-style rings. 3.296" (8.3cm) c-to-c ring spacing. Requires drilling and tapping of frame. Includes screws and installation instructions.