✅ SOLVED Is this CW related?

[cmthunder]

Found this at a farm in western Maryland that was site of a Union Camp in CW. What is this and is it CW related?
Found years ago not sure what it’s made of.
Appreciate any help
Thanks

 

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[40 Rounds]

Might be an artillery friction primer

 

[smokeythecat]

That's what I was thinking, a primer.

 

[TheCannonballGuy]

Yes, your find is a cannon friction-primer... but it is a modernday semi-imitation of the civil war version. Can't call it a "reproduction" because its specific form did not exist in the civil war era. It has the "split-top tube" form because it is simpler and much cheaper to manufacture than the civil war original form. The photo below shows a group of unfired modernday ones like your fired (used) one. Trust me about this ID, because I served for several years as a Confederate artilleryman on a civil war re-enactor cannon crew.

 

[cmthunder]

Thank you TheCannonBallGuy, Smokey, and 40Rounds.