"Centerfire" means a gun that will only fire a round that contains the primer in the center of the cartridge and not in the rim of the cartridge.
520 ILCS 5/1.2aa
Centerfire
Known as the Wildlife Code
The act spans §§ 520-5-1-1 to 520-5-4-4 (167 sections).
P.A. 102-932, eff. 1-1-23.
Official source: Illinois General Assembly. Reproduced from public-domain Illinois statutes; confirm against the official source for the current text. Not legal advice.