Leupold's aluminum Rifleman mounts are an economical alternative to steel mounts, yet these rings and bases still provide the strength and accuracy you expect from Leupold.Leupold's aluminum Rifleman mounts are an economical alternative to steel mounts, yet these rings and bases still provide the strength and accuracy you expect from Leupold. Features: Bases are available for many popular rifle models Our high-quality mounts are affordable, just like the Rifleman riflescope Integral see-thru mount systems (Rifleman mounts) - allows for rapid transition from iron sights to a magnified optic