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Old 07-10-2012, 08:31 AM   #31
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Quote:
Originally Posted by trip286 View Post
^^^^^^^ +1000 that is exactly correct, we have a winner!
Unless... You weren't holding the trigger down when you took that pic were you, browning?
That "spur" should actually be just slightly higher (I think) than the little ramp.
Browning, please get us a pic of the notch that it engages too.
I was not holding down the trigger. One hand on the barrel, the other on my phone.

What do you mean by notch? Could you take a comparative photo? I'm pretty gun saavy and to me it appears that that part should be taller to block the release of the firing pin until the trigger is pulled far enough, but, because it is worn down, the pin is slipping.

this one was made 1939 so it must have seen heavy use...
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Old 07-10-2012, 08:34 AM   #32
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Would this happen to be the part in question?

https://www.buymilsurp.com/trigger-spring-bolt-stop-mosin-nagant-rifles-p-5.html

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Old 07-10-2012, 04:57 PM   #33
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Upon further inspection, the trigger is pretty wobbly. It allows the interrupter to wobble about.

Do you guys think the replacement part and a trigger return spring would work?

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Old 07-10-2012, 05:45 PM   #34
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Yes, that's the part. Sometimes they are trimmed to try and smooth out the trigger pull. Best to replace the trigger and bolt stop/sear to be safe as you don't know what other "improvements" have been made or what else is worn. Parts should cost no more than $30. Site is posted in an earlier reply. Impact Guns was selling a trigger improvement kit that included a new bolt spring, trigger spring to reduce the sloppy feel and a post extended to help zero the sights for 100yd shooting. It sold for about $12.

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Old 07-10-2012, 05:55 PM   #35
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PS...I believe the notch being referred to is on the underside of the bolt. If that is worn it may ride over the stop and allow the firing pin to slam fire. If worn the appropriate bolt parts should be replaced. Again, being a simple mechanism the trigger is just a lever that moves the bolt stop out of the way allowing the firing pin to spring forward. There are really no safety features to speak of so worn parts are extremely dangerous.

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Old 07-10-2012, 07:23 PM   #36
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Quote:
Originally Posted by Jpyle View Post
PS...I believe the notch being referred to is on the underside of the bolt. If that is worn it may ride over the stop and allow the firing pin to slam fire. If worn the appropriate bolt parts should be replaced. Again, being a simple mechanism the trigger is just a lever that moves the bolt stop out of the way allowing the firing pin to spring forward. There are really no safety features to speak of so worn parts are extremely dangerous.
I examined the bolt pretty closeley when I got it...I'm gonna take a quick shower (goin out with the lady later) and then I'll take a picture of the bolt guide rod and the cocking piece.
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Old 07-10-2012, 07:50 PM   #37
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Bolt guide looks fine...but I took it off and looked at the cocking piece and either this baby is old...or somebody likes files...(3rd picture)

forumrunner_20120710_144944.jpg   forumrunner_20120710_144956.jpg   forumrunner_20120710_145005.jpg  
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Old 07-10-2012, 07:51 PM   #38
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But im really not sure what the problem is...sometimes it appears more like it's decocking on close...sometimes it sounds like its firing....i may take a video

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Old 07-10-2012, 08:45 PM   #39
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That gun is not designed to decock. Unless you are pointing it at some ones crotch while it malfunctions... (pun, everyone laugh now).

You need to do some parts ordering.
Even if you manually decock that rifle with a round in the chamber, it's still dangerous as it's a non rebounding firing pin. Meaning literally that the pin is resting on the primer if you let the pin forward. A half way decent sharp rap on the end of the cocking knob will fire the rifle.

You need a new cocking knob and sear (or what is called a trigger spring bolt stop in the link above). DO NOT put a live round in that rifle until you repair it.

The upside is that I'm sure you've heard the stories about how that rifle was designed to be used by illiterate peasant conscripts... That also means it CAN be repaired by illiterate peasant conscripts....

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Old 07-10-2012, 08:55 PM   #40
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Thanks trip. I guess ill just do the cocking knob, sear and trigger

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