He was handling the carbine carefully.

He defeated the enemy using a sniper rifle.

The police used a water cannon against the demonstrators.

This story perfectly practices the principle of Chekhov's gun.

There was a gunshot wound left on his chest.

He carefully aimed the rifle.

He entered the forest with a shotgun.

He likes to take a walk in the park at dusk.

He is good at handling a light machine gun.

He received training to handle a heavy machine gun.