3D model was created according to information from the Internet. If a mock projectile or a deactivated sample is found, the model will be updated. All buyers will be able to get the update. The M829 is an American armor-piercing fin-stabilized discarding sabot (APFSDS) tank round. The round is specifically designed for the 120 mm M256 main gun on the Abrams M1A1 and M1A2 main battle tanks. The penetrator is carried by a sabot during its acceleration in the gun barrel. The M829A4 is a fifth-generation APFSDS-T cartridge using a depleted-uranium penetrator with a three-petal composite sabot; the penetrator includes a low-drag fin with a tracer and a windshield and tip assembly.