<page_title> U.S. helicopter armament subsystems </page_title> <section_title> Designated Systems </section_title> <table> <cell> Armament Subsystem, Helicopter, 40-MM Grenade Launcher, M8 <col_header> Nomenclature </col_header> </cell> <cell> OH-6 Cayuse <col_header> Primary Aircraft </col_header> </cell> <cell> M129 grenade launcher <col_header> Component Weapon/s </col_header> </cell> </table>
The armament system provides a M129 grenade launcher for the 40 mm OH-6 helicopters.