a muzzle loader that had a flintlock type of gunlock
例句
"He had with him his clothes and bedding, with a firelock, some powder, bullets and tobacco, a hatchet, a knife, a kettle, a Bible, some practical pieces, and his mathematical instruments and books. 人们发现他时“他所有的只是一些衣服和铺盖，一把火枪，一些火药，以及子弹、烟草、一把斧子，一把刀子、一只水壶、一本圣经，一些实用的工具，还有一些数学工具以及一些书。
The Copper Firelock: China's Earliest Metal Tube Firearm 西夏铜火铳:我国最早的金属管形火器
