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  #1  
Old 05-23-2019, 9:18 AM
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Kokopelli Kokopelli is offline
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Exclamation Pierced primer - Firing pin problem?

Shooting some factory Remington 38 Special ammo in my Ruger Blackhawk, I noticed some odd smoke wafting from the rear of the cylinder. I removed the spent cases and noticed I had one with a pierced primer. So, I set the revolver and ammo aside.

Preparing to clean the Blackhawk at home, I noticed the firing pin looked pitted on the tip. Bummer.

So what do I have here? Does it look insignificant or does the firing pin need to be replaced? Should I send it to Ruger or is there something I can do? Can I take a jewer's file to the pin and smooth it out a little?

The gun is dirty as I haven't cleaned it yet. I'm also concerned that there is a ring burned around the firing pin hole but I had no leaks around any primers. (Look at the area of the underside of the firig pin.)

Advice and suggestions much appreciated!



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Old 05-23-2019, 9:57 AM
Pofoo Pofoo is offline
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I would knock the sharp points off with a jewelers file, being careful not to shorten the fp.
Try again and if still having pierced primers, try other ammo.
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Old 05-23-2019, 10:15 AM
hambam105 hambam105 is offline
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I think AR15Barrels is near you. He would know how to fix it.
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Old 05-23-2019, 11:19 AM
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Denver Dick Denver Dick is offline
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Actually, it looks like you've had some primer leakage in the past that may have led to the firing pin issue. It may not be the .38 Spl. ammo, but some .357 magnum used the past, i.e., hot loads. JMHO.
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Old 05-23-2019, 11:41 AM
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Quote:
Originally Posted by Denver Dick View Post
Actually, it looks like you've had some primer leakage in the past that may have led to the firing pin issue. It may not be the .38 Spl. ammo, but some .357 magnum used the past, i.e., hot loads. JMHO.
Thanks, DD. The only mag ammo Ive fired in it is factory loads from Federal, Rem and Winchester. Only reloads fires have been mild 38 special lead stuff. Im going to go back through my can of fired brass to look for some with pierced primers.
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Old 05-23-2019, 12:17 PM
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My SKS was doing the same thing. There was a slight ridge on the bolt face around the firing pin hole. Once I honed that down and cleaned it up, the problem went away.

I know it is not your issue here but I also quit shooting cheap ammo like Tula.

Also, as Dick alluded to above, once you have had a specific amount of blow back against that bolt face, the problem will get worse fast.
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Old 05-23-2019, 12:50 PM
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Think I should send it to Ruger for repair? This Blackhawk is dear to me and I want to keep it running.
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Old 05-23-2019, 6:37 PM
ironhorse1 ironhorse1 is offline
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Just clean up the tip of the FP and shoot it some more.

I had to shorten the FP on a Blackhawk and a Single Seven due to primer piercing.

Before you shorten any FP measure the protrusion. You can do this by using feeler gauges set next to the pin. Just lock the trigger back so it stays out. I may be .038" to start.

I have taken at least .010" off with no loss of function and no more pierced primers.

On the single seven repeated piercings lead to the FP spot welding itself to the primer. This locks up the gun until the cylinder is wiggled enough to get the FP to release and retract.

irh

BTW I sent the Single Seven back to Ruger. They did not fix the problem!!!! Works great now but I had to resolve this issue.

Last edited by ironhorse1; 05-23-2019 at 6:44 PM..
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Old 05-23-2019, 8:39 PM
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Quote:
Originally Posted by ironhorse1 View Post
Just clean up the tip of the FP and shoot it some more.

I had to shorten the FP on a Blackhawk and a Single Seven due to primer piercing.

Before you shorten any FP measure the protrusion. You can do this by using feeler gauges set next to the pin. Just lock the trigger back so it stays out. I may be .038" to start.

I have taken at least .010" off with no loss of function and no more pierced primers.

On the single seven repeated piercings lead to the FP spot welding itself to the primer. This locks up the gun until the cylinder is wiggled enough to get the FP to release and retract.

irh

BTW I sent the Single Seven back to Ruger. They did not fix the problem!!!! Works great now but I had to resolve this issue.
Thanks, Ironhorse! Ill try to clean it up myself then. Worst that can happen is I have to ship it to Ruger..
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Old 05-23-2019, 9:06 PM
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You mention the gun is dear to you. Is this an older pre-transfer bar gun? If so be careful sending it to Ruger because they will likely convert it.
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Old 05-23-2019, 9:15 PM
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Send it to Ruger.

I had peirced primer issue on my 9mm SP101, Ruger replaced the firing pin, springs, pawl and repaired cylinder end shake excess.

http://www.calguns.net/calgunforum/s....php?t=1527975
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Old 05-23-2019, 10:04 PM
hambam105 hambam105 is offline
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If the revolver is near & dear to the heart of the owner, then by all means take it to a local pro and let him fix it for you while you wait.
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Old 05-23-2019, 11:19 PM
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1 pierced primer out of how many overall round count?

I suggest stones over files for dressing parts.
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  #14  
Old 05-24-2019, 4:08 AM
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Barbarosa - No, it’s a New Model Blackhawk with transfer bar.

Fizz - Thank you for the suggestion. Ruger did you right.

pacrat- Only one pierced primer out of thousands of rounds. I went through my fired case collection and found many with rough primer strike marks. The deformed firing pin tip has been present for a while. I have no idea when it happened.
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