Neither weapon had managed to pass the sand trials and both frequently jammed.

When he pointed his pistol at the head of another airman and pulled the trigger, the weapon jammed.

He attempted to reload the AR-15 at that point, but was unable to do so, the weapon having apparently jammed.

The weapon fired twelve rounds and then jammed.

Once his weapon jammed he joined his platoon and volunteered to contact friendly forces on an adjacent hill.

For instance, the plastic pieces broke easily and the weapon jammed on occasions because of the poor disposable magazine concept.

After that incident, the group issued a statement saying the attack had failed because the attackers' weapons had jammed.

The weapons of his Spitfire jammed and, having come under fire, the controls were damaged sending the aircraft into a dive.

It could be fired single-shot or automatic, but the weapon frequently jammed and too often it went off on its own.

- the weapon fired three or four shots and jammed.