A refinement of the M1 Sniperscope developed for World War II, the M3 is an active infrared device which allowed vision in total darkness at up to 125 yards, as well as detection of infrared light sources (such as enemy IR sights and flashlights modified for signaling purposes) at up to a mile. Measuring 16 1/2" long and 10" tall with a 5 3/4" diameter infrared emitter on top, marked with a Corps of Engineers/ Capehart-Farnsworth label on the rear and the right side has an ID plate with "2509" serial number. The unit is intended to be installed on M1 carbines via a steel bracket on the barrel and rear sight base (not included). In a U.S. marked transport case which bears a Capehart-Farnsworth tag and inventory list on the inside of the lid. The case contains the sight, emitter, pistol grip/switch assembly, battery with pouch and sling.

Very fine, with mild handling marks on the excellent exterior overall. Some of the case padding has become stuck to the emitter body. Components have not been function tested. Would be a nice addition to your T-3 carbine!