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Introduction to ammunition

Introduction to ammunition. Ballistic analysis Note #1. Basic gun types. Handguns Rifles Shotguns Other types. Ammunition design. HANDGUNS AND RIFLES HAVE SIMILAR AMMUNITION DESIGN. SHOTGUNS HAVE SIMILAR DESIGN BUT SEVERAL VARIATIONS. Bullet design. Bullet:

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Introduction to ammunition

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  1. Introduction to ammunition Ballistic analysis Note #1

  2. Basic gun types • Handguns • Rifles • Shotguns • Other types

  3. Ammunition design HANDGUNS AND RIFLES HAVE SIMILAR AMMUNITION DESIGN

  4. SHOTGUNS HAVE SIMILAR DESIGN BUT SEVERAL VARIATIONS

  5. Bullet design • Bullet: • the projectile(s) which actually exits the barrel of the gun when fired • three main shapes: • round nose • hollow point • wad cutter

  6. Three main shapes of bullets

  7. Three basic compositions of bullets LEAD HALF-JACKETED JACKETED COATED WITH COPPER FULL METAL JACKET ON THE BOTTOM

  8. What happens to bullets when theyare fired?

  9. Lead bullet Gun powder Primer Cartridge case

  10. Pull the Trigger and . . . • A pin or hammer strikes the primer. This causes a spark. • The powder is then ignited causing an explosion. • This explosion starts the bullet down the barrel of the gun

  11. Down the Barrel 4. As a bullet travels down the barrel of a gun. it is twisted by the landsand groovesof the barrel.

  12. Out of the Barrel 5. This rifling causes the bullet to exit the end of the barrel in a spiral motion.

  13. Hit a target 6. when they hit a target: • Most bullets tend to mushroom • Some bullets nearly disintegrate. Left are bullet fragments from a ½ jacketed hollow point.

  14. Not all bullets mushroom the same. It depends on the speed and shape of the bullet, and the characteristics of the target. The striations from the rifling are still visible on the right 

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