5.2 in (132.1 mm) 10B101? 26,100 psi (1,835 kg/cm²) 2,790 fps (850 mps) M860 Plastic Practice-T: ... Caliber .50, Ball, Armor Piercing Incendiary, M8 ... It is injection molded of special high strength plastic and is reinforced with an aluminum insert in the base section. The cartridge is identified by an amber sabot (Ultem 1000). ...
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