M3 37 mm gun

M3

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  Pre-war Marines train with the 37 mm antitank gun.
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  Bantam BRC 40 jeep tows the M3 37 mm anti-tank gun, 1941.
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  Philippine Scouts at Fort McKinley firing a 37-mm. antitank gun in training, 1941 (?).
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  Jeep tows the M3 37 mm anti-tank gun, Wadesboro, North Carolina, Nov. 1941.
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  Anti-tank gun crews training, Fort Benning, Apr 1942.
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  Anti-tank gun crews training, Fort Benning, Apr 1942.
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  Anti-tank gun crews training, Fort Benning, Apr 1942.
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  Anti-tank gun crews training, Fort Benning, Apr 1942.
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  Jeep mounted with 37 mm gun on maneuvers, St Johns, Newfoundland, summer 1942.
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  Troops of the 132d Regimental Combat Team bringing ashore their weapons and equipment along the Kukum beaches. Guadalcanal.
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  37 mm anti-tank gun at Camp Carson training camp in Colorado, 24 Apr 1943.
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  Men of the 7th Division, US Army move a gun up to the front line of Kwajalein.
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  Through the streets of Garapan these Marines move their 37mm gun into position, July 2, 1944.
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  US 37 mm gun crew in combat.

M5/M6

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  M5
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  M5

Ammunition

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  HE Mk II Shell, APC M51 Shot
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  TP M51 Shot, 10-gage adapter M2