modern vs cw?

[tabasco]

in area of cw skirmishes. Found this small bullet. Also three .30 lead balls together in same area. Not sure of age of this based on caliber. Any help appreciated.

 

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[badkharma]

I say not CW. The grooves appear to have the vertical lines in them. I don't think they did that before the 1880s or so. Probably old, just not Civil War old.