Illinois Arms American 180

Heavy Barrel Version

Illinois Arms Company, Inc. (ILARCO) purchased the patent and manufacturing right to the American 180 in 1987.

ILARCO design changes to the American 180 included:

• An improved feed block and ramp.
• A redesigned quick-detachable barrel mounting system
• A changed bolt face for better head spacing.
• A changed magazine capacity down to 165 rounds. This change was associated with their .22 short magnum round.
• A removable flash suppressor which supports mounting of an optional sound suppressor.
• A retractable wire shoulder stock.