![]() No open or conventional sights were provided. 30in, M3, or T3, was an M2 carbine with suitable mountings prepared on the receiver to take various models of infra-red night-sighting devices, and an M3 flash hider. The M3, actually available for the Korean War, used 20,000 volts, had an effective range of 125 yards, and could detect ir-flashlight signals up to 1 mile. Simple, pre-determined coded signals from a flashlight with an infra-red filter could be detected up to 500 yards. Besides enabling detection of enemy movement, and placing full-automatic fire upon them with complete surprise, IR units facilitate night communications between nearby units. IR rays are focused on the image tubes, causing electrons to be emitted, which are then accelerated and strike a fluorescent screen, converting the sub-visible-light image to the visible light range, showing all objects as various shades of green. Both of these used vibrator power supplies to convert 6 volt battery levels to 4250 volts for the image-viewing tube. He Sniperscope evolved from the M1 of WWII, with an effective range of about 70 yards, to the M2, with a range of about 100 yards. The Sniperscope M3, though, was vastly improved in durability and effective range, and could have dominated battlefield night actions had it been introduced in time for training and effective deployment. The IR source was physically vulnerable, the telescope easily damaged by intense light sources, images easily hazed by ordinary night skies, and had poor range. The Sniperscope M1, first deployed in Korea, had significant flaws, as did all the IR series. We were told by the Veteran from who we obtained it that it is still operational but we have not tested it. The set comes complete with the sight, wood transit chest, battery, instruction manual, carry case and other parts. This is a rare complete infrared sniper scope for the M3 Carbine. ![]()
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