AMTEC Corporation

Click Data sheet below for PDF

The M433 is a high explosive dual purpose tactical 40mm cartridge. It contains a pre-fragmented steel projectile body and armor penetrating shaped charge liner. It can be fired from all M203 type single shot and multi-shot grenade launchers. AMTEC Corporation is the only company in the world manufacturing the M550 fuze and corresponding M433 Cartridge to the current US Military Specifications.