M129 40mm Grenade Launcher Parts Kit The M129 was a redesign of the M75 grenade
launcher. The M129 was used with the chin-mounting M28 series armament
subsystem used on the AH-1S Cobras. The M129 was also used on the
AH-56A Cheyenne on the XM51, and the UH-1H "Huey" on the SM94. The
M129 was also used on the OH-6A Cayse and OH-58 Kiowa. Kits are all
demilled by the US DRMO and are a Non-Gun and sold as part kits only for
dummy guns.
