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Armour-piercing fin-stabilized discarding sabot (APFSDS), long dart penetrator, or simply dart ammunition is a type of kinetic energy penetrator ammunition used to attack modern vehicle armour. As an armament for main battle tanks , it succeeds armour-piercing discarding sabot (APDS) ammunition, which is still used in small or medium caliber ...
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. [11] Its propellant maintains consistent muzzle velocities across operational temperatures from −25 to 145 °F (−32 to 63 °C).
A A&TWF – Acquisition and technology work force a – Army AA – Assembly area AA – Anti-aircraft AA – Aegis ashore AAA – Anti-aircraft artillery "Triple A" AAAV – Advanced Amphibious Assault Vehicle AAC – Army Air Corps AAD – Armored amphibious dozer AADC – Area air defense commander AAE – Army acquisition executive AAG – Anti-aircraft gun AAK – Appliqué armor kit (US ...
APFSDS – Armor-Piercing Fin-Stabilized Discarding Sabot; APFT – Army Physical Fitness Test (U.S. Army) APFU – Army Physical Fitness Uniform (U.S. Army) APO – Army Post Office; See Also FPO; APPN – Appropriation Number (U.S. Military) APRT – Army Physical Readiness Test (U.S. Army) ARCENT/TUSA – US Army Central/HQ Third US Army ...
A sabot (UK: / s æ ˈ b oʊ, ˈ s æ b oʊ /, US: / ˈ s eɪ b oʊ /) is a supportive device used in firearm/artillery ammunitions to fit/patch around a projectile, such as a bullet/slug or a flechette-like projectile (such as a kinetic energy penetrator), and keep it aligned in the center of the barrel when fired.
Armour piercing discarding sabot munitions were developed to increase penetrating performance of anti-tank projectiles by generating higher impact velocity.A larger projectile would require a completely new weapon system, but increasing velocity faced the limitation that steel armour-piercing (AP) projectiles shattered at velocities above about 850 m/s when uncapped.
Armour-piercing fin-stabilized discarding sabot (APFSDS) using a sabot and tracer (APFSDS-T). Typically used against other modern tanks. There are different ways to measure penetration value. NATO uses the 50% criteria against 260BHN Steel, while the Soviet/Russia standard is higher (80% had to go through). [citation needed]
L28A2 APFSDS: A newer export 120 mm APFSDS projectile designated L28A2. The UK Ministry of Defence funded the L28A2 work specifically for Oman, [ 16 ] which wanted to replace its old L23A1 APFSDS. The work on the L28A2 round also included some of the technology incorporated into the CHARM 3 (C3TR) propelling charge system already in service ...