What does the German company Heckler & Koch do?

Explanation

Heckler & Koch is a German defense manufacturing company that produces small arms. The company was founded in 1949 from the remnants of the Mauser company. Originally, the company manufactured machine tools and sewing machine parts, but this changed in 1956 when the company produced the first rifle for the German army. Since then, it has manufactured more than 100 different kinds of weapons for police forces and armies all over the world.