Is it bullets fragments or Bullet art?

[foxtree]

I have been doing a lot of metal detecting during the stay-at-home order. This is part of my exercise routine. I have recently found some strange objects from the base of a tree. The tree is a Maple that is rotting away on one side giving me access to the old root system. My metal detector went off in the area closest to the remaining tree still standing. I found what looked like acorn shaped objects with hard exterior shells on them. I picked up 15 wondering what was inside. I started to peel them and inside I found lead and what looked like bullet casings. I thought someone was shooting at the tree and that's why half the tree had died. The funny thing is that each one looks different.To me they look like they were man made artifacts. What do you think? I see mountains in one, a cowboy with a hat on, a fish, feet walking, a boat. The ones on the left side of the picture are very fragile and a couple broke. One looked like an Indian chief's headdress. The one with the feet has part of the shell, or encasement, just behind it. The are very hard to peel and clean. They're like trying to peel a walnut. Any ideas on what they are? Are they just bullet fragments? or just bullet art.

 

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[Tony in SC]

They are modern jacketed bullets, the brass shell is part of the bullet.

 

[gunsil]

Modern copper jacketed spent slugs. If you are seeing things like a cowboy, a boat, or anything else in them you certainly have an active imagination. They are just fragments. There are no remnants of shell casings here, the slugs had copper jackets, casings or shells do not leave the gun when the projectile does. When folks refer to "carved " bullets they are usually referring to pure lead bullets carved by bored soldiers sitting around camp during the civil war. Nobody carves copper jacketed bullets.

 

[Charlie P. (NY)]

Yep. Random results of jacketed bullet expansion.