A supplementary M240E1 7.62mm machine gun can be pintle-mounted at the commander's station in the turret. The LAV-25 is fully amphibious with a maximum of three minutes preparation.
The main armament of the LAV III is a 25-mm M242 Bushmaster automatic cannon mounted in a two-man turret, as well as a twin 7.62-mm machine gun and an additional machine gun on the roof.