Griffin & Howe Sidemount

Mount locked into position. Note early style with windage adjustment in the slide---scopes of the period typically having only an adjustment for elevation.

Mount removed, by releasing levers and sliding rearward.

Griffin & Howe Sidemount - A quick-detachable scope mount system patented in 1931 and built by that company to the present. The base fits permanently to the side-rail of a bolt action rifle. The slide locks in place on the rail with two levers. Rings of various heights and diameters attach the scope of  choice to the slide. Mounting a scope high enough allows use of iron sights. Pre-war slides tended to be made of steel, with a single release-lever and had windage adjustments in the slide. Post-war slides tend to be of aluminum.

G&H Sidemount removed, showing mounting rail with detents for two release-levers.

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