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Half cock safety issue
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April 7, 2023 - 4:29 am
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Hello all,

 

I have recently acquired a couple winchester rifles, a 1894 in 32 WS made in 1905 and a 1895 in 30-03 made in 1914.

When I receive any firearms I like to do typical function checks and my 1895 wouldn’t cock on half cock. So I took it apart and found the sear upside down, put it proper and it works.

However here is where the issue is and my confusion. 

On half cock I can pull the trigger and the hammer will fall forward (rifle unloaded of course). The notches look to be in good condition. 

I went to check the 1894 made in 1905 and my other 1895 in 303 made in 1915 and they do the same. I’m able to drop the hammer on half cock.

My post 64 1894 made in 1974 doesn’t allow it and as well as my chiappa mares leg which mind you is new.

Now is the purpose of the half cock to prevent the hammer from falling forward from bumps and such regardless of trigger pull or should it act as a legit safety.

I’m just wondering because when I think half cock safety I think safety unless this was something normal at that Era 1905-1915.

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April 7, 2023 - 10:21 am
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 The half cock safety should not allow the hammer to fall when pulling the trigger. The shape off the shear and hammer notch plus the geometry of the position on the hammer was designed to prevent an accidental discharge by pulling the trigger. You have to pull the hammer back out of the half cock then pull the trigger to get the hammer to fall. If shaped correctly when pulling the trigger in full cock the shear will miss the half cock notch on it’s way past. If not it will damage hammer notch or shear and not serve it’s intended purpose. If Bubba repaired your gun he just filed the notches deeper and you got what you have. T/R

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April 7, 2023 - 1:07 pm
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This is what the half cock notch should look like. Its a pocket that the sear sits in. This is on a 73.

Bob

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April 7, 2023 - 8:31 pm
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Ah that’s what I figured. So would the only remedy be to replace the hammer as it seems the sear isn’t properly engaging the notch?

I can see on the hammer where metal was ground down by over use

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April 7, 2023 - 11:01 pm
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The most common failure is the half cock is broken off by someone trying to pull the trigger too hard while in half cock. If you have enough meat left on the hammer you can grind a new notch. The hammer will sit a little farther forward.

Bob

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April 8, 2023 - 8:07 am
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I tried cutting the notch deeper but still doesn’t fix the problem. Is the miroku winchester 1895 hammer compatible with the original 1895?

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April 8, 2023 - 12:51 pm
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  It takes a true craftsman with a welder, an original hammer and shear as a pattern to repair a trigger. T/R

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April 8, 2023 - 2:14 pm
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David Rendulic said
I tried cutting the notch deeper but still doesn’t fix the problem. Is the miroku winchester 1895 hammer compatible with the original 1895?

  

Can you post or send pictures of the hammer and sear? There is a a lot of geometry that has to be right for it to hold. Here is a picture I found on the net. 

I have no idea if Miroku parts will fit a real Winchester.

Bob

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April 8, 2023 - 3:36 pm
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1873man said
The most common failure is the half cock is broken off by someone trying to pull the trigger too hard while in half cock. If you have enough meat left on the hammer you can grind a new notch. The hammer will sit a little farther forward.

Bob

  

Interesting.  I had never heard of cutting a new notch.

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