Bullet!

thedukeofdelaware

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Anyone know what type of bullet and time period? Diameter is 3/8 inch, length is 5/8 inch. Thanks for looking.
 

Modern .380 or 9mm would be my guess
 

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copper jacketed = modern
 

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Looks like a 9mm FMJ. 20th century. Maybe even 21st century.
 

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For anybody here who doesn't already know:
A "copper-jacketed" bullet means the lead bullet's body is partially or entirely covered by a thin shell of copper. Brass-jacketed and steel-jacketed versions also exist. Made for use in repeating firearms, to keep slivers from the lead bullet from building up in the gunbarrel's rifling grooves, which would eventually clog the grooves. First developed in the very late 1800s, and still in use today. So when you see the copper (or brass or steel) jacket on a bullet, you'll know that the youngest it could be is several decades after the end of the civil war, and most likely from sometime in the 20th Century.

One photo below shows a sawed-in-half copper jacketed bullet with gunpowder in a brass cartridge, on the left in the photo. The other photo shows some "hollow point" copper-jacketed bullets.
 

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I would say 9mm as well. 9mm Parabellum, which is the most common 9mm round started production in Germany in 1902. It didn't see much popularity in the US until after WW2 though.
 

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Measure the diameter with calipers. If the diameter is .355 it is most likely a 380 auto or 9mm, if it's .357 it is most likely a 38 special or 357 mag. Caliper is another way of saying 100th of an inch. .50= 50 cal, .75= 75 cal ( or 12 gauge ) ((smoothbores, as in shotguns, are measure differently)).
Either way it is fairly a modern full jacked round early 1900's to current.


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