Provides accurate information that will allow the collector to determine whether or not a particular rifle or telescopic part or other accessory is correct. Includes a detailed description of the sniper rifle with all parts and markings that make it uniquely a U.S. military sniper rifle.The telescopic sight with all parts and markings that make it uniquely a U.S. military sniper scope. The bases and mounts with all parts and markings that make them part of the U.S. military sniper scope assembly. Also contains a history of the development of each particular sniper rifle and telescopic sight. Its mounting on the rifle and sighting in are described in detail. A history of the development of the rifle leading to its use as a sniper rifle is included in an appendix, as are descriptions of British and Canadian sniper rifles that used American-produced telescopic sights. S/C. 146p.