Heavy Iron

Heavy Iron was a weapon used by Ironhide movie in the Battle of Detroit.

Transformers: Dark of the Moon game

Heavy Iron was made by Wheeljack and was designed for Ironhide to clear crowded area's of Decepticons. After Ironhide found Mixmaster, he was given a Heavy Iron 2.0. This was a more powerful version of the Heavy Iron that could fire small blasts of energy. When Ironhide confronted Mixmaster for the second time, Mixmaster threw a car at Ironhide which he destroyed using the Heavy Iron. Ironhide went on to destroy Mixmaster's shielding and then Mixmaster himself. After sending Mixmaster to the ground, he exclaimed that was for Ratchet and then cried 'and this is for me!'. Continuing to shoot Mixmaster in the head.

Notes

A weapon similar to Heavy Iron is seen in the Dark of the Moon film in the Nest Bunker with Wheeljack giving Ironhide it, saying 'This is the perfect weapon, Ironhide'.