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1858 remington broken

Discussion in 'Blackpowder' started by Liam38, Jul 21, 2013.

  1. Liam38

    Liam38 Active Member

    I have an old armi san marco 1858 remington new model army with a brass frame that was made in the 80's. I bought it a year ago and it was working and shooting great but a few months ago I was having problems with the hammer staying back. Now it has gotten worse and it will never stay back. I'm not sure whats wrong with it but it is annoying me beyond belief. I would really apreciate if anyone has any input or sugestions on how to fix it. Thank you.
  2. swathdiver

    swathdiver Well-Known Member

    Well, have you opened it up and viewed the relationship between the trigger and hammer? Are any springs bent, broken or loose?

    When it comes time for parts, you should be able to get them from our friends at Deer Creek Products in Waldron, Indiana. Like all parts, they may need to be fitted so have your files and stones handy.
  3. mykeal

    mykeal Well-Known Member

    Broken trigger spring.
  4. Jaymo

    Jaymo Well-Known Member

    Trigger spring would be my first guess as well.
    Then you have the sear surfaces on the hammer and trigger. They are subject to wear and failure, but trigger and pawl springs seem to be the most failure prone items on the reproduction revolvers.
    A Wolff wire spring is a nice replacement.
    A question. Does the trigger reset/move forward to it's normal at rest position, or is it staying to the rear at all times?
  5. Liam38

    Liam38 Active Member

    I did open it up and the trigger spring seems fine. And i cant seem to find anything wrong on the inside but when i do get the hammer back i barely tap the trigger and the hammer falls on half cock. And in order to get an actuall trigger pull where the hammer reaches the cylinder, i have to jerk the trigger back very quickly. So i hope that helps and thanks for the responses.
  6. Liam38

    Liam38 Active Member

    And the hammer does reset to the forward position.
  7. kwhi43@kc.rr.com

    kwhi43@kc.rr.com Well-Known Member

    Tip of the trigger would be my first guess, then the full cock notch on the hammer.
  8. Liam38

    Liam38 Active Member

    I just took a dremel to the full cock sear on the hammer and now the gun locks back every time unless i fan the hammer with my finger off the trigger and then it falls on half cock. But i think the tip of the trigger is the problem as well.
  9. Jim K

    Jim K Well-Known Member

    The exercise with the Dremel tool almost certainly cut through the hardness on the hammer and ruined it, if it had been OK before. So bite the bullet and buy a new hammer and trigger.

  10. Hellgate

    Hellgate Well-Known Member

    Always screw with the trigger first as they are easier to replace and can be recasehardened with Kasinit(?) to restore it. The shortened trigger will change the heigth of the "rear sight" as it will be at a different point on its arc when cocked. It is a lot harder to reharden the hammer as it is a bigger chunk of metal to evenly heat red hot to reharden.
  11. Liam38

    Liam38 Active Member

    I was afraid of breaking the case hardening but now the gun works snd while the metal may be soft in one point it is a cheap plinker i paid a hundred bucks for at a gun show and now it works.
  12. kwhi43@kc.rr.com

    kwhi43@kc.rr.com Well-Known Member

    The height of the sight will NOT be changed. Trigger and hammer have NO bearing on the rear sight on these revolvers.
  13. Driftwood Johnson

    Driftwood Johnson Well-Known Member


    How much you paid for it, and whether or not it is a plinker is immaterial. I suspect you have made the gun dangerous by going after it with a Dremel tool. Something was wrong if the hammer was falling to half cock every time. Probably either the full cock notch was worn or the tip of the trigger (sear) was worn, or possibly both. It is an old gun after all, and Armi San Marco did not use the best quality steel.

    Now you have a gun with butchered parts. It may or may not be safe. You may find with time that the hammer will again not stay at full cock. This may happen at just the wrong time, with a loaded gun pointed in an unsafe direction.

    I suggest you put the gun aside an do not shoot it any more. Buy another one (try to find one in good condition). If it needs repair, do not use a Dremel tool. Probably more guns have been ruined with Dremel tools than any other way. They remove too much metal too fast and are difficult to control. Learn a little bit about the relationship of the surfaces of the sear and the full cock notch. Working on them should be done slowly and carefully with stones, not with a power tool.

    Consider the money spent on this gun to be a lesson and learn about the proper way to work on the sear and full cock notch. Or leave it to a professional.
  14. kwhi43@kc.rr.com

    kwhi43@kc.rr.com Well-Known Member

    I would agree to that!!
  15. Liam38

    Liam38 Active Member

    I tride to use stones and files before but i couldnt get the angle i needed and as long as it works i only use it a few times a year anyway. And i know not to point a loaded gun or any gun in an unsafe direction.
  16. JRs12Valve

    JRs12Valve Well-Known Member

    Part it out and buy a steel frame.
  17. Liam38

    Liam38 Active Member

    I might do that later once it completely stops working.
  18. Hellgate

    Hellgate Well-Known Member

    You are right. My bad, I was thinking COLT not Remington. I needed the slap upside the head to wake up and pay attention.
  19. Noz

    Noz Well-Known Member

    A phrase that strikes fear into pistoleros hearts: "I took a Dremel tool to the full cock sear".
  20. kwhi43@kc.rr.com

    kwhi43@kc.rr.com Well-Known Member


    My wife says to inform you that a swift kick in the rear works on me:what:

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