Parts of a Gun
a case that holds a bullet, primer powder, and a gun
Cartridge
GSR
gun shot residue
action only needs to be loaded before the first shot and will then fire another round with each pull of the trigger
semi-automatic
the study of projectiles and fire arms
ballistics
a rifle, pistol, or other portable gun
firearm
the projectile(s) which actually exits the barrel of the gun when fired
bullet
the path the projectile follows after it leaves the gun
trajectory
ammo is contained in a magazine
pistol
inside the gun
internal ballistics
one pull of the trigger results in a continuous burst, releasing more than one round at a time
fully automatic
an explosive substance that ignites when struck to detonate the powder in a cartridge
primer
rebound one or more times off a surface
ricochet
ammo is contained in a revolving cylinder
revolver
outside the gun
external ballistics
a measure of the inside diameter of a firearm barrel
caliber
external part of cartridge at the bottom
rim
what happens to a hollow point on impact
mushroom
action must be loaded before each pull of the trigger. each pull results in only one round coming out
single shot
when a projectile hits a target
terminal ballistics
the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other
friction force
hits the base of the cartride, igniting gun powder
firing pin
the ridges and depressions found on the inside of the barrel that are created when the firearm is manufactured
lands/grooves
fire pellets or slugs; inside is smooth
shotgun
what kind of microscope is used to compare bullets and shell casings side-by-side
comparison microscope
stippling and tattooing occurs when a gun is fired at what range
intermediate range