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Identify firing pin.

hoosierhoosier Member Posts: 1,515 ✭✭✭✭
edited May 2015 in Ask the Experts
Have got about 20 of these but no clue what it's for.
Have looked thru all the reference and gun parts books with no idea. Must be a Machine firing pin. Covered in thick dried on cosmoline when I got them.


fp_unknown_001.jpg

Measurements 4.25 long, and 3/8 a widest point in center
Thanks dave
Magazines, Gun Parts and More. US Army Veteran, VFW, NRA Patron
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    charliemeyer007charliemeyer007 Member Posts: 6,579 ✭✭✭
    edited November -1
    It is a good pic, but some sort of size/dimension would help your case.
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    49 harley49 harley Member Posts: 112 ✭✭
    edited November -1
    Looking at it from a machinist/gunsmith/former firearms mfg., intrigued. Quite a bit of machining needed for?? Can't wait for an answer, you got me stumped!!
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    babunbabun Member Posts: 11,054 ✭✭✭
    edited November -1
    Just a guess, I couldn't find anything exactly like it.

    It has the form of a Czechoslovakian {cz?} or a Wathers firing pin.
    Perhaps some obscure foreign machine gun??
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    lew07lew07 Member Posts: 1,055 ✭✭
    edited November -1
    Hmmmm looks familiar but I cant place it.
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    hoosierhoosier Member Posts: 1,515 ✭✭✭✭
    edited November -1
    I also found some US M-73 machine gun parts as well as M-2 parts, in the box. But firing pins don't go to these.
    Wondering if the these go to the Tanks 75 mm gun ?
    Magazines, Gun Parts and More. US Army Veteran, VFW, NRA Patron
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    babunbabun Member Posts: 11,054 ✭✭✭
    edited November -1
    quote:Originally posted by hoosier
    I also found some US M-73 machine gun parts as well as M-2 parts, in the box. But firing pins don't go to these.
    Wondering if the these go to the Tanks 75 mm gun ?



    Don't think so. See the groove cut along the top of your pin all the way from the primer to the other end??

    That's for gas escape from pieced primer, don't need that in a cannon.

    Does get close to cross between a m60 and a m2hb???
    64B_Firing_Pins.jpg
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    TRAP55TRAP55 Member Posts: 8,270 ✭✭✭
    edited November -1
    Like a cross between a MP-9 and a early wartime P-38.
    Like 49 Harley said, that would be an expensive piece to machine.
    The design shows it's struck with a hammer, and auto or semi auto.
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    MIKE WISKEYMIKE WISKEY Member, Moderator Posts: 9,972 ******
    edited November -1
    the oval 'slot' looks like the one in a martini fireing pin.
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