US Cartridge, 30mm HEDP, M789
These are electrically primed cartridges incorporating either a high-explosive, dual-purpose (HEDP) (M789) or a high-explosive-incendiary (HEI) (M799) projectile. Each projectile incorporates a setback- and centrifugally armed, impact- or impact-inertia-fired, graze-sensitive M759 point-detonating fuze.
The fuze is unpainted with markings stenciled in black or stamped. The M789 projectile is painted black with yellow markings. The M799 projectile is painted yellow with a red band and black markings. Cartridge cases are anodized green with white or black markings.
Collaborative Ordnance Data Repository