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  1. 29-08-2023, 12:30 PM #1
    Tentman
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    Brno/CZ firing pin spring

    Gidday- I'm after a mainspring for a Brno Model 5. I think the springs were the same (or at least adaptable ) up to the introduction of the 455s. Norinco ones probably work too.

    Kilwells and the local gunsmiths are out, anyone got a spare or know where there are some in NZ before I go looking offshore?

    Thanks
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  3. 29-08-2023, 06:48 PM #2
    garyp
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    Think I may have one here you can have free. Will check and let you know.
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  4. 29-08-2023, 07:03 PM #3
    Tentman
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    They measure about 5.8 ODx 1.0 wire 65mm plus long. Thanks
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  5. 29-08-2023, 07:42 PM #4
    Ryan_Songhurst
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    I've got a complete bolt somewhere you can have. Will send it back with your 6.5 dies that I still have!
    270 is a harmonic divisor number[1]
    270 is the fourth number that is divisible by its average integer divisor[2]
    270 is a practical number, by the second definition
    The sum of the coprime counts for the first 29 integers is 270
    270 is a sparsely totient number, the largest integer with 72 as its totient
    Given 6 elements, there are 270 square permutations[3]
    10! has 270 divisors
    270 is the smallest positive integer that has divisors ending by digits 1, 2, …, 9.
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  6. 29-08-2023, 08:05 PM #5
    Tentman
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    Quote Originally Posted by Ryan_Songhurst View Post
    I've got a complete bolt somewhere you can have. Will send it back with your 6.5 dies that I still have!
    Haha all good, your offer is accepted with delight! I'll PM you my address. Cheers
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  7. 03-09-2023, 04:43 PM #6
    Grey Kiwi
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    If you get stuck...
    https://highvelocityhuntingaustralia...triker-spring/
    Artillery...landscape adjustment since 1300AD.
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