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Issue with my Marvel firing pin replacement

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Issue with my Marvel firing pin replacement Empty Issue with my Marvel firing pin replacement

Post by weber1b Fri Jan 31, 2020 11:58 pm

The firing pin broke in my Marvel during a match last night. Doing the replacement tonight but am having a problem. I have the firing pin block out but I can't get the pin that holds the firing pin back to drift out. What the heck am I doing wrong? I am hoping to shoot this tomorrow so need some response tonight for that. If not I'll shoot my EIC gun. Any thoughts?

weber1b

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Post by Jon Eulette Sat Feb 01, 2020 12:02 am

Have you put the firing pin block into a vise to hold it while you drive it out? I believe the pin can be drifted either direction. Normally pretty easy.
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Post by weber1b Sat Feb 01, 2020 12:04 am

I have been holding it on a wood block with a hole for the pin to drift into. I was thinking it should move pretty easy hence my frustration.

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Post by weber1b Sat Feb 01, 2020 12:05 am

I know my punch is thin enough because I have another block but not another pin.

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Post by weber1b Sat Feb 01, 2020 12:07 am

I have a vice but it is not set up. I think I need to go that direction.

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Post by Olde Pilot Sat Feb 01, 2020 12:10 am

Pin should come out easily. Have you tried pushing out in both directions? Mine comes out easily in one or the other directions but I don't remember which. You should not need to punch unless Marvel has changed recently.

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Post by weber1b Sat Feb 01, 2020 12:14 am

I recall it being much easier than this. I might just soak it in some wd40 and then try again. It just does not want to move in either direction.

weber1b

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Post by weber1b Sat Feb 01, 2020 12:14 am

At this point, heading for my back up gun for tomorrow.

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Post by weber1b Sat Feb 01, 2020 12:15 am

Appreciate the input though guys.

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Post by dronning Sat Feb 01, 2020 2:55 am

You need to put it on steel like your vice.  Open the jaws just enough to allow the pin to pass and give it a good rap with a steel hammer using the right size (3/32) steel punch.

I have had pins move with the first rap using a vise that wouldn't budge using a gunsmith bench block made from hard resin.
- Dave
I have a 2" maple bench top and sometimes that has too much rebound and I have to use the vise.


Last edited by dronning on Sat Feb 01, 2020 12:18 pm; edited 2 times in total
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Post by CR10X Sat Feb 01, 2020 10:19 am

You will generally need a steel vise, a super short "starting" pin punch exactly the right size and a big ass hammer and a little patience to get that little pin to move the first time you replace one.  I'm sure there are one or two that will come out "easily" as noted above, but I never got that lucky!  I may have exaggerated a little, but .....

It will eventually come out. 

Make sure the replacement is oriented correctly before replacing.  If the pin is that tight, it will be hard to feel if its impacting the new firing pin outside of the pin slot.

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Post by weber1b Mon Feb 03, 2020 12:27 am

Got the pin out. Started it with a spring loaded pin punch. Once it got it started I was able to finish it. I then got diverted and have not cleaned up everything and started the re-assembly. that will be for tomorrow night now. Once again, thanks everyone for your suggestions.

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