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The M829 is an American armor-piercing fin-stabilized discarding sabot kinetic energy penetrator tank round.Modeling was done at the Ballistic Research Laboratory at Aberdeen Proving Ground, [1] which was incorporated into the Army Research Laboratory in 1992.
Armour-piercing ammunition (AP) is a type of projectile designed to penetrate armour protection, most often including naval armour, body armour, and vehicle armour. [1]The first, major application of armour-piercing projectiles was to defeat the thick armour carried on many warships and cause damage to their lightly armoured interiors.
While only effective against tanks without spaced armour or spall liners, the round is still favoured for combat demolition purposes. The flattened high-velocity explosive pat can destroy concrete constructions much faster than a HEAT round (which is designed to penetrate armour), and without the dangerous fragmentation of a traditional high ...
The M1A1/M1A2 tank can carry only 40 rounds for its 120 mm M256 gun—the M60A3 Patton tank (the Abrams' predecessor), carried 63 rounds for its 105 millimetres (4.1 in) M68 gun. This effect is reduced by the higher first round hit rate of the Abrams with its improved fire control system compared to that of the M60.
The 105mm howitzer round was not the only artillery piece provided with APERS-T. Beehive rounds were also created for recoilless anti-tank weapons: the 90 mm and 106 mm mounted on the M50 Ontos. [4] APERS-T rounds were available for 90mm gun on M48 tanks and the 152mm gun on the M551 Sheridan armored reconnaissance/airborne assault vehicle.
Modern 120 mm tank gun shells. KE penetrators for modern tanks are commonly 2–3 cm (0.787–1.18 in) in diameter, and can approach 80 cm (31.5 in) long. As more structurally efficient penetrator-sabot designs are developed their length tends to increase, in order to defeat even greater line-of-sight armour depth.
The initial response was to compensate by increased muzzle velocities in newly developed anti-tank guns. However, it was found that steel shot tended to shatter on impact at velocities greater than 823 m/s (2700 feet/second). [4] To counter this, a cap of softer metal was attached to the tip of an AP (solid) round.
This is an Iranian round produced by Shahed Weaponry with a time fuze and over 2,000 premade fragments. [7] The PG-29V anti-tank/bunker round has a tandem-charge high-explosive anti-tank (HEAT) warhead to defeat explosive reactive armor (ERA). This warhead is standardized with that of the PG-7VR round fired by the RPG-7V rocket launcher. [8]