LO11 - Detailed Study Tank ammo

Question 1

Types of 25mm ammo

Answer 1

• Armour Piercing Discarding Sabot with Tracer (APDS T) M791
• Target Practice Discarding Sabot Tracer (TPDST) M910
• Multipurpose with Tracer Self Destruct Mk 2 (MPT SD Mk2)
• High Explosive Incendiary Tracer M792
• Target Practice with Tracer (TP T) (ADI) M793
• Dummy M794

Question 2

Components of 25mm

Answer 2

• Cart case - rimless steel
• Primer - M115 fit percussion
• Propellant - Single AR2220 (Domestic), Olin WC890 Ball Powder (Overseas production)
• Link - M28 phospahated metal
• Tracer - Red in colour

Question 3

Components of M830A1 HEAT-MP-T propulsion assembly

Answer 3

• Case Base and Seal Assembly(CBSA),
• Spring disc,
• Retaining ring,
• CCC,
• Electric primer (M129),
• Granulated main charge propellant (JA-2),
• Combustible disc
• Propellant containment bag.