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  1. #1
    Senior Member tdod101's Avatar
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    Mosin/svt firing pin.

    Was fiddling with my mosin nagant and decided to take apart the bolt. Little did I know the firing pin needed to be a certain length when reassembled. Unfortunately I don't have the tool that's supposed to come with it. The little notched one to determine length.

    I do however have the tool that came with my svt40. Is it the same thing for both rifles? Or will I need a mosin tool.

    I also have access to digital calipres if that's easier.

  2. #2
    Moderator kennymo's Avatar
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    Which tool came with your SVT? None came with mine.... Protrusion go - no go should be similar, they were sharing ammo... I'm not certain if there's any part of the SVT design that would make protrusion different from the 91/30....

    ** Satain's post below ⬇️
    Last edited by kennymo; 02-08-2016 at 06:36 PM.
    Cleverly disguised as a responsible adult.

  3. #3
    RobertMcC
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    I just use a precision screw driver. There is staking marks on the rear of my bolt that I just line up.

    I disassembled and re assembled my Mosin bolt many times without using no special tool. I just line up the marks on the back of the bolt and never had a problem with it not going bang or piercing primers.

  4. The Following User Liked This Post By RobertMcC

    Satain (02-08-2016)

  5. #4
    Senior Member Satain's Avatar
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    NO
    They have different depths
    Do Not Use

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    kennymo (02-08-2016)

  7. #5
    Senior Member livewire0129's Avatar
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    Just took a look at my mosin tool. Min is labelled 75 and max is 95. Measured depth on min is .076" and max is .096". If your firing pin protrudes too little, you may get light strikes/misfires. Too much and you may get punched primers, which will foul your bolt very quickly, and require disassembly to clean. Hope this helps. Peace.

  8. #6
    Senior Member tdod101's Avatar
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    So I want it in between .75 and .95? So .82?

  9. #7
    Senior Member livewire0129's Avatar
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    4/5 of an inch is too long. 0.082" should be fine

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    kennymo (02-08-2016)

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