Motor Carriage M10 and the M6 Heavy Tank). The ballistic characteristics of the gun were also essentially the same as the 76 mm gun M1, which fired the same projectiles with different cartridge case. The table below lists ammunition available for the three guns. It is possible that some types (e.g. the APCR round) were never issued to towed TD battalions. See also List of U.S. Army weapons by supply catalog designation (SNL C-40) Weapons of comparable role, performance and era 7.5 cm Pak 40 – Approximate German equivalent 3-inch anti-aircraft gun M3 – The 50 caliber successor to the M1918 Notes References TM 9-2300 Standard Artillery and Fire Control Material. dated 1944 TM 9-322 operators. SNL C-40 parts External links Tankdestroyer.net (Web based United States tank destroyer forces information resource) World War II anti-tank guns Anti-tank guns of the United States 76 mm artillery Weapons and ammunition introduced in 1942