Revolvers, single shot and/or break-open shotguns, lever action rifles, bolt action rifles or shotguns, antiques / muzzle loaders / blackpowder, or hunting rifle calibers (i.e. 30-06 SPRG, 7mm Mauser, 303 British, 308 WIN, 243 WIN).
IBIS stands for the Integrated Ballistics Identification System. It is a database of cartridge case images. When a cartridge case is entered into the system, a proprietary algorithm returns a list of possible ‘matches.’ IBIS does not identify a specific firearm but rather provides investigative leads that must be verified on a comparison microscope by a firearms examiner.
NIBIN stands for the National Integrated Ballistic Information Network. NIBIN is accessed through IBIS.