1. The constant battle between armour piercing fin stabilized discarding sabot. 2. New armour piercing and programmable ammunition have also been developed. 3. Armour piercing rounds were provided for anti-ship engagements.4. Although not armour piercing , the bullet more than sufficed for the time. 5. Projectiles originally included HE fragmentation, Armour Piercing solid shot, smoke, illuminating and chemical. 6. Some types of armour piercing shells have also used base fuzes, as have nuclear artillery shells. 7. The British gunners switched to armour piercing shot and knocked out three tanks which blocked the road. 8. The shielding provided was adequate to protect the crew from blast and small arms, but not armour piercing rounds. 9. A semi armour piercing ( SAP ) warhead is also available; this contains of RDX, aluminium and wax. 10. Explosive, incendiary, noxious ( biological, chemical ) and armour piercing ammunition types are " prohibited " noted on it.