Which preposition to use with firelocks

on Occurrences 3%

We were joined by a considerable number of fresh Arabs, who "played at powder," and kept firing and galloping before the Bey the whole day; some of them managed themselves and their arms and horses with great address, balancing the firelock on their heads, firing it, twisting it round, throwing it into the air, and catching it again, and all without once losing the command of their horses.

with Occurrences 2%

We each took a firelock with us in hope of knocking over some game for supper, to help out our dwindling larder.

by Occurrences 1%

The soldiers, for several nights previous, had missed some arms, although a sentry was before the door, and they generally slept with their firelocks by their sides.

of Occurrences 1%

The poor mutineer, who kneels down to gather into his heart the bullets from twelve firelocks of his pitying comrades, dies by a most sudden death in Cæsar's sense: one shock, one mighty spasm, one (possibly not one) groan, and all is over.

Which preposition to use with  firelocks