20mm M51A4N

MAST Technology, Inc., located inside of Lake City Army Ammunition Plant in Independence, Missouri, produces the M51A4N ammunition for the U.S. Army, Marines, and other State Department approved customers.

20mm M51A4N Dummy 



Plastic (Nylon Fiberglass Reinforced) One Piece Body with Steel Core and Rim.  Used for training and practice, system set up and prove out with Linked weapon systems for M61 Vulcan.


NSN:  1305-01-448-9275


NIIN:  014489275

Nomenclature:  20mm (20 x 102) Dummy Cartridge, M51A4N with Mk7 Mod 1 link