🔎 UNIDENTIFIED Projectile ID

[jangrok]

Found metal detecting on an old 1700s farm in south eastern PA. Never seen a bullet (I’m assuming) like this. Any help would be appreciated. Thinking maybe shotgun slug?

 

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[pepperj]

Here are a few examples of shot gun slugs.

Here is a 4 ring bullet (yours is a 3)Similar to yours.

 

[ticndig]

looks like a wadcutter

 

[Almy]

I'm thinking fired hollow point, fairly modern.