Impact fuzes of own design - KZ 984, designed for 155 mm calibre cartridges. Safety tested by STANAG 4157. MZ-95M fuze was designed for 81 mm, 98 mm and 120 mm mortar bombs. The initiator is used to ignite powder charges. They are initiated by firing percussion at the bottom of the primer. The KV-4 fuze screw is used to initiate the powder charge in the cartridge. This type of priming screw is designed for 100, 122, 152 mm calibrated type cartridge.
The Primer Sleeve GUV-7 is intended to ignite the Propellant Charges with high pressure of tank ammunition for electrically triggered systems. It is ativated upon impact or under voltage.