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  1. #1
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    NEED HELP to ID an unusual 40mm case

    A collector friend sent me these two photos to post on BOCN looking for any possible information on it. Any info would be greatly appreciated.


    Jason
    Attached Images Attached Images

  2. #2
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    No clue on specifics but maybe have him check to see if it may be cut down. A thick rim, saw marks,etc on the mouth of the case would be a clue. Certainly not of the L60/L70 variety.
    Better to remain silent and be thought a fool than to speak out and remove all doubt.

  3. The Following User Says Thank You to Slick For This Useful Post:

    apfsds (16th April 2018)

  4. #3
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    THANKS BIG TIME, RICK!

    I asked the owner if it was cut down and he said that it was not and that he has sen 3 of these over the years but known could ever ID them.

    Jason

  5. #4
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    Jason,

    From BIG BORE AMMUNITION, R. Hawkinson, 2012; page 50

    40 x 176mmR, rim dia. 53.6mm, aluminum case, USA. "40mm XM Exp, Project 6005, 1964, 16mm Screw Primer, Gas Delivery System."

    Brian

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    apfsds (18th April 2018)

  7. #5
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    Thanks big time, Brian! I tried to find information about "Project 6005" with no luck. Grateful for your help. I'll pass it along.

    Jason

  8. #6
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    Brian, I can't find my copy of his book. Is there a photo with its projectile?

    Jason

  9. #7
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    No pictures, unfortunately.

 

 

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