Translation of "firearm" into Swahili

In his blog, dedicated to firearms, Steve Johnson wondered about the legality of those videos according to the laws of the United States:

Katika blogu yake, iliyo mahsusi kwa ajili ya silaha za moto, Steve Johnson alijiuliza kuhusiana na uhalali wa video hizo kulingana na sheria za Marekani:

The courageous sergeant, in charge of just ten men, steadily refused to use the mine owner’s firearms.

Wakati sajenti mmoja mjasiri aliyesimamia polisi kumi tu alipopewa bunduki na mwenye mgodi huo, sajenti huyo alikataa katakata.

But says Health magazine: “Firearms instructors agree: Don’t get a gun if you aren’t prepared to use it.

Lakini gazeti Health lasema hivi: “Wakufunzi wa bunduki wanakubali hivi: Usibebe bunduki ikiwa hunuii kuitumia.