These well made competitively priced Ruger scopes will stand up to real use. Ruger riflescopes come with full metal alloy adjustment houses for greater reliability. The easy click adjustment is to 1/4 of an inch and features a 4 plex reticle as standard. All Ruger scopes are shock tested and nitrogen filled at the factory for fog and waterproofing. Ruger riflescopes are ideal for mounting on air guns and 22 rifles.