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Thread: Shell found metal detecting; what is it? FNM 81-28

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    Member Anythingalaska's Avatar
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    Default Shell found metal detecting; what is it? FNM 81-28

    I found a bullet shell metal detecting a couple weeks ago in an area with a lot of old history. Was just wondering what type of gun this was used in? Casing says FNM 81-28 on the bottom. I tried searching the internet for an answer, but haven't had much luck. Maybe it's not even that old...I wouldn't know. Any help is appreciated!

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    Sure help if you gave us a clue what caliber it is.

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    Supporting Member Amigo Will's Avatar
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    Military 7.62X51
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    Member gunbugs's Avatar
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    FNM is Portugese. Several different calibers have been imported over the years. 8mm Mauser, 308, and 30-06 all come to mind.
    "A strong body makes the mind strong. As to the species of exercises, I advise the gun. While this gives moderate exercise to the body, it gives boldness, enterprise, and independence to the mind."

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    Member Anythingalaska's Avatar
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    The casing is broken off halfway up, there is no way for me to tell what caliber it was. I'll take a picture of what I have and post it if that helps. This area was heavily used around the early 1900s, and a lot during the WWII era. The diameter of the casing is 7/16''.

    Here are the pics

    IMG_1428_zps19200b7d.jpg
    IMG_1431_zps432950cb.jpg

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    Member Akheloce's Avatar
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    The cross in the circle is means NATO spec. That means its 7.62x51 (308 win). So, it's Portugese milsurp 308, likely made in 81.
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