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  #1  
Old 07-24-2018, 07:39 AM
AW1Phillips AW1Phillips is offline
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Default mystery bullet?

as you all know there was a major WW2 battle fought here in Guam. Today i found a round that is bigger than a .50 cal and it has very odd shape to it. here is a pic of the round compared to an american .50 cal round (50 on the right). i assume its Japanese but there has also be Spanish explores and American settlers on this island well before 1940s. Anyways tell me what you think.
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  #2  
Old 07-24-2018, 08:10 AM
waltr waltr is offline
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What is the exact diameter just below the crimp ring????
In picture it looks the same as the .50 cal.

My guess is the odd shape is due to a steel base & tip that is rusting.
Maybe this is a tracer.
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Old 07-24-2018, 08:23 AM
AW1Phillips AW1Phillips is offline
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Thanks for the reply, maybe i can find a micrometer tomorrow and grab some dimension. funny thing, im actually in the process of moving and have nothing in my house except my wallet, passport, Garrett 550, and pin-pointer, hahaha. the thing that gets me guessing is the long shape of the round compared to the boat tail style back on .50 to the right. i do agree that the hole in the back must be for tracer powder.
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Old 07-25-2018, 02:37 AM
AW1Phillips AW1Phillips is offline
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I had the bullet looked at today by a historian and itís a confirmed Japanese 13mm.


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  #5  
Old 07-25-2018, 08:02 AM
Dogfisch Dogfisch is offline
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The round you had confirmed is a Japanese round it also a tracer round. The back end of most trace rounds are flat and hollow. They were filled with a phosphorus compound that burned as it was fired. You can see traces of the compound in the back of that round in the form of a white powder. US 50 cal's have a very similar look. nice find.
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Old 07-25-2018, 08:14 AM
waltr waltr is offline
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Great on the ID.
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  #7  
Old 07-25-2018, 08:46 PM
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MoBob MoBob is offline
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Nice find . I was kind of thinking Japanese round , I used to recover live rounds there back in the 70's and 8o's when I was stationed at Polaris Point. Ended up spending 7 active service yrs. their and married a local island girl. I still own a house and property in the village of Mangilao. We just celibrated our 35th anniversary. If you still can do some booney stomping around Cross island rd. near Sigua Falls . A lot of artillery found in that area. But be carefull . Enjoy the island , it's awesome.
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  #8  
Old 07-27-2018, 06:37 AM
AW1Phillips AW1Phillips is offline
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Yeah we sure have done our exploring over the last 4 years . It has been great but unfortunately we have to PCS back to San Diego


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