Wiktionary
n. (plural of percussion cap English)
Usage examples of "percussion caps".
Its Colonel gave the order for his men to put percussion caps on the cones of their loaded rifles.
Neither Greg nor I want to be responsible for people dying while they make percussion caps.
The rear of the cylinder had nipples for the copper percussion caps the alchemists' guild was producing in quantity under Despreaux's direction, but the biggest differences (besides an odd indent in the grip so that it could be held more easily with a false-hand) were the fact that it was double action, not single, and that it was a swing-out cylinder design.
It took calm, steady nerves to ensure that the ramrod hit true, and to be certain they didn't fumble the little percussion caps.
Still, there is the need for percussion caps and a great deal of machine time and tools just to produce the guns and enough firing chambers to make production worthwhile.
Then she reversed the pistol, pointing it down at the deck while she fitted one of the copper percussion caps over the nipple of the breech, drew back the hammer until it clicked at full cock, and laid it on the bunk beside her.
It dawned slowly upon Hornblower that these must be the percussion caps he had heard vaguely about recently.