musketry

noun3

1. •
   Musket fire.

   • A heavy trampling of steps—clashing as if of swords—several rounds of musketry—screams—shouts—rose in the direction of the court. — 1831
2. •
   The technique of using small arms such as muskets.

   • "Nickle will never make a reliable shot," confided Mr. Carrados to the little band of paralysed listeners. "He always takes sight too low—fault of British army musketry training. […]" — 1934
3. •
   A collection of muskets or musketeers.