HELP ID PLEASE

[68GTOFINDER]

I found these on top of a cliff at Cliff Cave Park in St. Louis, Mo. They were wedged between the enormous rock formation.

 

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[SkySgt]

They are bullets and bullet casings.

 

[SkySgt]

The bottom left one is a 3-ring lead bullet, often referred to as a minnie ball (possibly Civil War era). The others appear to be more modern lead bullets (Lower right) and the upper two are rim-fire shell casings. The US stamp may mean that they are Govt. Issue.

 

[fyrffytr1]

I can't add anything further except to say that I like your avatar. Is that your car?

 

[BosnMate]

Need measurements in 1/1000 of an inch for positive ID. Not length. diameter. For instance, .357 = 38 caliber.

 

[BosnMate]

Bottom left bullet does not look like a Civil War minnie ball to me, proper measurements and photo of the base might prove me wrong, but I don't think so.

 

[SkySgt]

Now that I have a measurement, I am altering my original guess to agree with others who say it is not a minnie ball. Possibly a more modern .25 caliber lead projectile ... Again, judging from the measurement scale provided.