In some foreign services a combined electric and percussion primer is used.
2.
Battery activation can be accomplished by a percussion primer, similar to a shotgun shell.
3.
However, they unknowingly left the live percussion primer in place at the rear of the cartridge.
4.
The Pak 40 used a percussion primer, while the vehicle mounted 75 mm guns used electrical primers.
5.
When the trigger is pulled, the hammer falls onto a percussion primer which ignites the black powder propellant charge.
6.
For small guns the case contains a percussion primer, usually a copper cap filled with a chlorate mixture and resting against an anvil.
7.
The 52-pound cast-iron fin-stabilised high explosive bomb carried the percussion primer at the base in the intersection of the 4 vanes ( fins ), consisting of a specially loaded blank . 303 rifle cartridge.
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