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Lite Strikes

Discussion in 'Gunsmithing and Repairs' started by Hondo 60, Oct 28, 2013.

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  1. Hondo 60
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    Hondo 60 Member

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    I recently bought a brand new 9mm revolver.
    Some rounds have a strong firing pin mark (and fire normally) & some are so lite that it doesn't fire the cartridge.

    It happens with factory ammo as well as my own reloads.

    After the first range trip, I figured I screw up on some rounds.
    So I made another box, intentionally strongly seating the primer.
    Same thing - some are great some not so great.

    So I bought a box of factory ammo & had the same issue.
    I plan to return the gun to the factory, but what causes this?

    Why are some fine & some not so fine???

    It does not appear to be happening in the same chamber, and certainly not every time.
     
  2. rcmodel

    rcmodel Member in memoriam

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    Using moon-clips, or not?

    If not, differences in case length will change the headspace.

    Shorter cases, or over-crimped cases may set in the chamber too deep for the firing pin to reach it.

    rc
     
  3. calaverasslim

    calaverasslim Member

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    I didn't see a model but it may be that your supposed to use moon clips. If so, and your not, then that's the problem, like RC said.

    If no moon clips are required, the try replacing the main spring with one from Wolff gunsprings.com.

    I had that problem on a 38S&W and a new spring solved the situation.
     
  4. Jim K

    Jim K Member

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    AFAIK, all 9mm revolvers have a chamber shoulder and should not require moon clips for firing, only for extraction. First check to see if the chambers have shoulders; if they do not, return the gun and buy another brand.

    If the chambers look OK, open the cylinder and insert the cartridges without a clip. Make sure they all seat firmly and that they all are the same level at the rear. If they are not, contact the manufacturer and make arrangements to return the gun.

    Jim
     
  5. Hondo 60
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    Hondo 60 Member

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  6. 243winxb

    243winxb Member

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    Seen a Ruger Convertible 357/9mm. One chamber in the 9 was cut to deep, misfired every time. Ruger repalaced the cylinder. Lost me a customer.
     
  7. rcmodel

    rcmodel Member in memoriam

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    Well, there's your problem!!

    Send it back for factory repair, and keep your fingers crossed.

    rc
     
  8. Hondo 60
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    Hondo 60 Member

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    Responses like that was the exact reason I didn't initially say what brand & model.
    That response was not in the least bit helpful.
     
  9. BBBBill

    BBBBill Member

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    Hondo 60, unfortunately Taurus has spent years building a reputation for producing, shipping, and selling poorly manufactured firearms (with a few notable exceptions like the Model 85) in addition to providing poor to non-existent service to the end user. I finally refused to stock or sell any of their products and did my best to talk customers out of special ordering anything. My former business partner never could get over his fascination with their unusual offerings/ oddball calibers. He currently has several in various states of disrepair with nary a one having more than 100 rounds fired.

    So, rcmodel's reply, however distasteful, was succinctly accurate.
     
  10. Jim K

    Jim K Member

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    True, but it really wasn't helpful.

    If you loaded the cylinder without clips, were all the bases level? If one or more was lower, the chambers are not cut properly and there is no recourse except to return the gun to the maker. If all the chambers are the same and everything looks good, then maybe we can come up with other possibilities.

    Jim
     
  11. 243winxb

    243winxb Member

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    9mm Luger

    Brass trim length- The minimum is .744" Could your brass be shorter? Have to much taper crimp? Maybe not a chamber problem?
     
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