Are you really not going to use this unused laptop?

He is the most competent employee of our company.

This bottle is reusable.

He picked up the ray gun and fired it at the alien.

An electron gun is a device for generating an electron beam.

He is known as a French musketeer.

He shot the enemy with a machine gun.

He went to try out his new air gun.

He headed to the battlefield with an assault rifle.

He was handling the carbine carefully.