US Cartridge, 105mm APDS-T, M728
This cartridge is a high velocity, flat trajectory, discarding sabot round used in 105mm gun cannons against armored targets.
The projectile consists of a tungsten, nickel, copper penetrator seated in a steel base with tracer and aluminum forward sheath, These components are encased in an aluminum and magnesium sabot. A plastic centering band encircles the sabot at the forward end, fiber rotating band and rubber obturator are mounted toward the base of the sabot. The cartridge case contains a polyurethane laminar additive liner over the forward end of the propellant. The case is loosely packed with propellant, and is fitted with an electric primer.
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