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107mm

  1. J

    4.2" M3 Mortar

    I have a publication CW-11 which is the catalog for the 4.2" ammo for chemical mortars. In the manual it lists the HE version M3 with a picture of the three fuzes, M3, M4 and M5. Does anyone have info on these fuzes. I gather later modifications and changes were changed to the nomenclature...
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