Is the 336 rear firing pin supposed to be centered - Page 2
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Thread: Is the 336 rear firing pin supposed to be centered



  1. #11
    CWT
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    Marlin Marksman
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    With the lever closed and hand in the lever squeezing like you were going to fire it... cock the rifle and then push in on the pin. There should be minimal resistance. Let us know what happens. These guys have tried to help you. More detailed info is needed.
    Thanks dad for taking me hunting.

    "Those who cannot cleanly dispatch their game using a .30-30 are either shooting too far, hunting inappropriate (too large) game, or are simply incompetent." Mic McPherson

    https://youtu.be/RdLCxnXmuEw

  2. #12
    Tenderfoot
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    The bolt was disassembled and cleaned. Firing pin is not broken. Replaced top bolt spring and main spring (midwayusa).
    Smoothed up rear firing pin.
    Tried a different lever. Firing pin goes out to end of bolt.
    There is a little resistance pushing pin forward.

  3. #13
    Banned
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    I agree with Rob.Sounds like the front firing pin is broken.I had that problem,rifle would misfire 1 out of 10 times.Easy,inexpensive diy fix.Numrich had them for around $20,last I looked.
    rob42049 likes this.

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  5. #14
    Marlin Marksman
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    Is the mainspring you replaced factory or reduced power from Wolff industries? Was that done before the problem started?
    Team 45-70: #1110
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    Team 1894: #521

  6. #15
    Tenderfoot
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    It has been misfiring since I got it. It is a factory strength spring.

  7. #16
    Gunfighter
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    Is the problem with factory or reloaded ammo? Marlins can be finicky about improperly resized cases not letting the breach lock raise the rear firing pin into the fired position.
    rob42049 likes this.
    To paraphrase Ronald Reagan, the trouble with many shooting experts is not that they're ignorant; its just that they know so much that isn't so.

  8. #17
    Distinguished Master
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    Looks correct--The rear pin sits low under downward pressure from a small skinny leaf type spring above it when the lever is down and not locked fully up. When you fully close the lever that lifts the bolt locking lug up which pushes the rear pin up in alignment with the front firing pin so the hammer strike is applied to the forward pin and (if it is not short) primer ignition.

  9. #18
    Tenderfoot
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    Both factory and reloads.
    Spending 250 to 350 for headspace correction isn't worth it.

  10. #19
    Tenderfoot
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    Cowboy 23
    The picture shows the pin with the lever locked up not down. It doesn't look like it is level with the front pin that way

  11. #20
    Tenderfoot
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    There are a couple of tests for HS.
    Cock hammer and push on bolt.
    Lower hammer and hold trigger back. Push back of hammer and check for bolt movement.
    Mine doesn't move in either case.
    Heard of that one?


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