Action Surplus

This 1942 armor-piercing cartridge is for use in 90mm guns against armored materiel.

The body of the projectile is made of hardened steel, has a flat base, and has a nose that is shaped to a relatively short ogive. A lightweight aluminum windshield is welded to the projectile. The base of the projectile is threaded to receive a tracer. The cartridge case is loosely packed with propellant, and the base is fitted with a percussion primer. An igniter to assist uniform propellant ignition is fitted below the closing disk