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fireing pin question

 
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  #8  
Old 05-16-2010, 03:59 PM
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Join Date: Dec 2009
Location: South Central PA
Posts: 803
Re: fireing pin question please help

Quote:
Originally Posted by J E Custom View Post
Caution !!!!!

When you change primers you "change the load". It could be much hotter.

Also it could be that the primers have a softer cup for better ignition and if your firing
pin is on the long side that could do it.

First I would switch back to the 210s and see if it happens any more. If it does
then the firing pin stop may be worn enough to allow the pin more travel.

J E CUSTOM
not sure if you can tell but in the second picture i did switch back to the other primers and it all but pierced them.
Where is the fireing pin stop and how do i change it? Assuming its wore
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  #9  
Old 05-16-2010, 06:30 PM
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Join Date: Apr 2010
Location: NW Mt.
Posts: 600
Re: fireing pin question

Every time you pierce a primer your firing pin gets gas cut. Sometimes it only takes
a couple to sharpen it just enough to ruin it. You need to tighten it up in the hole
anyway, I would just get it done. Either a larger dia. pin if available or have the hole
bushed and a new stock pin or rework the end of yours if it is long enough. m2c.
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  #10  
Old 05-17-2010, 03:25 PM
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Join Date: Jul 2004
Location: Texas
Posts: 5,444
Re: fireing pin question please help

Quote:
Originally Posted by sniperjwt View Post
not sure if you can tell but in the second picture i did switch back to the other primers and it all but pierced them.
Where is the fireing pin stop and how do i change it? Assuming its wore
If you remove the fireing pin you will see the larger area behind the fireing pin that hits
against the inside of the bolt stopping the pin at a predetermined distance (Normally
.050 to .055 thousandths past the bolt face.

The easy way to fix this is to order a new firing pin for it or measure the protrusion from the bolt face and sand it down untill it is withen spec.

PT&G Makes a firing pin gauge if you want one.

J E CUSTOM
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