What type of ammo does a 20-12 jc Higgins use?

The JC Higgins 20-12 shotgun is typically chambered for 12-gauge shotgun shells. It is designed to use standard 12-gauge ammunition, which can include various types of shells such as birdshot, buckshot, and slugs, depending on the intended use. Ensure to check the manufacturer's specifications for any specific recommendations or limitations regarding ammunition types.