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He was the first person to match a bullet and a firearm with striations.
4 branches of ballistics
Backyard Ballistics was created in 2001.
National Ballistics Intelligence Service was created in 2008.
Ballistics - video game - was created on 2001-10-19.
Terminal Ballistics Research Laboratory was created in 1968-01.
Internal ballistics - Everything that happens within the rifle from the instance the primer is ignited until the bullet leaves the muzzle of the barrel. External ballistics - Everything that happens when the bullets leaves the muzzle until the time it hits the target, its path is influenced by two external forces - gravity and the flow of air around the bullet, they both charactarize so called "external ballistics".
shot ballistics is a shot ballistics with the study of shot ballistics lolz
striations
Yes they have Cross Striations
Where a bullet is pushed through the barrel of a rifled firearm, spiralgrooves cut into the inside of the barrel (rifling) cause the bullet to spin. This provides for better accuracy- and at the same time, makes marks (striations) on the bullet. A shotgun does not have those grooves, and does not produce striations on the projectile.
4 branches of ballistics