رد: طلقات 7.62x39
primer consists of a brass or gilding-metal cup, a pellet containing a sensitive explosive, a paper disk and a brass anvil. These component parts are assembled to form a complete primer.. When a weapon is fired, the firing pin strikes the center of the primer cup. compressing the primer composition between the cup and anvil and causing the composition to explode. The vents in the anvil allow the flame to pass through the flash hole into the cartridge case and thereby igniting the propellant.
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