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Discussion Starter · #1 ·
Hi so after alot of light hits on every shell I shoot, I have deducted it's time to replace the firing pin. I have all the parts for replacement but don't know how to. Should I take it to a smithy or could someone direct me on how to myself. I do alot of basic gunsmithing for my friends any myself also. I have replaced most parts on remingtons. And even though I shoot a Beretta, I have never had to replace parts in it. If I could get some help, it'd be much appreciated.
 

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Here is Beretta's web page. follow the links and you can down load their manual.

click on 390 english.

Might help.

I've had one apart but not the bolt, shouldn't be to hard to figure out.

good luck

http://www.berettaservices.com/index.aspx?m=53&did=160
 

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I'm afraid the regular manual won't tell you anything about replacing the pin. You need to punch out (carefully) the "firing pin retaining pin". It's part #67 (Google 390 schematics). It's thicker on top than the bottom so that it stays in place. So punch it out from the bottom of the bolt; once it comes out, all the other parts will also. Your main problem will almost always be the actual spring (part 65) which tends to deform and break.
 

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Discussion Starter · #6 ·
The gun had roughly 25,000 rounds through it since last replaced. The pin was so worn that it barely stuck out when struck. And now I'm going to replace the hammer spring.
 

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There are aftermarket springs that will help and a extra pin and spring is golden the hammer spring should be a annual thing Look through the old treads JP Springs ring a bell
 

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"The pin was so worn that it barely stuck out when struck" This is a common issue with the 300 series. This is what I have done to several. Take the firing pin out and grind .002 off so it protrudes through the hole farther. I even do this with a new pin because beretta made them a little short
 
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