US Cartridge, 105mm TP-T, M490
This cartridge is for use in 105mm gun cannons for training in marksmanship.
The cartridge is similar in external appearance and ballistically similar to HEAT-T cartridge M456 series. The projectile consists of a steel body, an aluminum standoff spike, and a boom and fin assembly with tracer. The cartridge case is filled with loosely packed propellant and is fitted with an electric primer.