firearms
a handheld firearm
what is a pistol?
uses shell ammunition
what ammunition is used for a Shotgun?
releases firing pin
what does the Trigger do?
inside of the barrel
what causes the markings on a bullet?
diameter of a gun barrel
a caliber
gun with revolving cylinder
what is a revolver?
diameter of shotgun barrel
what is a Gauge?
the primer
what does the firing pin hit?
no. a bullet cannot have the same two markings
can any two bullets have the same markings?
fine lines on interior of barrel
what is a striation?
a gun that fires one shot when trigger is pressed
what is a semi-automatic?
concentrates the shot when fired
what is a Choke?
a combustable chemical that will push the bullet out when ignited
what is the primer?
what is a gun barrel made out of?
it is individual characteristics
is striation class or individual?
a gun that continues to fire rounds as long as the trigger is held
what is a fully-automatic?
no. no two striations can be the same in a different gun
can striations be the same in two guns?
ignites the powder
what does the primer do?
what is rifling?
a solid piece of steel hollowed out by a drill
how is a gun barrel made?
has a long barrel
what is a rifle?
holds the bullets
what is a magazine?
the gases propel the bullet forward
what happens when the primer ignites the powder?
what does the rifling do?
national integrated ballistics information network
what does NIBIN stand for?