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 Post subject: How to remove firing pins on a Mossberg Silver Reserve O/U?
PostPosted: Thu Oct 05, 2006 2:52 am 
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I have a Mossberg Silver Reserve O/U and the bottom firing pin is broken. How do you remove the firing pin? The pin is held in place by a blind drift pin. You can see where the drift pin goes in, but there is no access to the other side. This is true on both upper and lower firing pins / drift pins? If you know the trick, removing the pins, drift and firing pins look like an easy job. Otherwise I will have to ship the gun off to the Mossberg repair shop in Texas. Thank you in advance, Mike.


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 Post subject: re: How to remove firing pins on a Mossberg Silver Reserve O
PostPosted: Thu Oct 05, 2006 7:41 am 
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Sounds like there's a couple of sideplates to remove first. This was the case with my former DeHaan U2, also a Huglu.


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 Post subject: re: How to remove firing pins on a Mossberg Silver Reserve O
PostPosted: Thu Oct 05, 2006 12:24 pm 
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Thank you for the reply but there are no side plates, I got the schematic from the Mossberg web, clearly shows the firing pins / springs / pin / hole for pin. The main block is a solid piece with cut outs for the tang. I have taken apart my Mossberg 500 completely, including the firing pins. But the O/U is a different animal. There must be either a tool, or a trick to getting that set pin out, so you can then pull the strike end of the firing pin out. I know there are several other Mossberg Silver Reserve people out there in the shadows, if you haven't broken a firing pin yet it seems as though you will. I had about 1,500 to 2,000 rounds through mine when it broke. Top barrel still shoots fine, and I have been very careful to push the open lever hard right and break the action all the way before closing the action. Thanks again, Mike


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 Post subject: re: How to remove firing pins on a Mossberg Silver Reserve O
PostPosted: Thu Oct 05, 2006 5:21 pm 
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I've got the Mossberg Onyx Reserve. My lower firing pin just broke last week.

Sail, Have you obtained a new firing pin yet? If so, where did you get it?


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 Post subject: Re: How to remove firing pins on a Mossberg Silver Reserve O
PostPosted: Tue Oct 31, 2006 2:09 pm 
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SailTrac wrote:
I have a Mossberg Silver Reserve O/U and the bottom firing pin is broken. How do you remove the firing pin? The pin is held in place by a blind drift pin. You can see where the drift pin goes in, but there is no access to the other side. This is true on both upper and lower firing pins / drift pins? If you know the trick, removing the pins, drift and firing pins look like an easy job. Otherwise I will have to ship the gun off to the Mossberg repair shop in Texas. Thank you in advance, Mike.


Any update on this?

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 Post subject: re: How to remove firing pins on a Mossberg Silver Reserve O
PostPosted: Thu Nov 09, 2006 10:52 pm 
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Joined: Sat Oct 04, 2003 9:27 pm
Posts: 67
It appears that the stock bolt (and nut?) must be removed first. Then, the action is exposed.
I checked out a blow up diagram at the Kahn shotgun site.


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 Post subject: re: How to remove firing pins on a Mossberg Silver Reserve O
PostPosted: Fri Nov 10, 2006 8:30 am 
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Joined: Sat Feb 25, 2006 9:16 am
Posts: 748
Location: New York
Edit #2 I'm calling BS on my my own post below. On lots of O/Us the pins can be removed without disassembly - just pull the hammer back out of the way - , check William Wood's excellent info and documentation here:
http://www.shotgunworld.com/bbs/viewtopic.php?t=89866

The following is BS:
Some O/Us (that don't have firing pin bushings) require almost complete receiver disassembly to replace the firing pins;
Remove stock
Remove trigger
Remove safety (sometimes)
Remove sears
Remove toplever
Remove hammers and springs (careful!)
Now the firing pins.

This is still valid but N/A
Hints:
Take clear pictures of the action before and after each stage of disassembly.
Use lots of plastic baggies to keep each sub-assembly's parts together and label them left or right - it'll help when you're putting back together.
If something's not coming apart (or going back together) correctly, stop what you're doing and step away for a day.


Last edited by yeti on Sat Nov 11, 2006 8:10 am, edited 1 time in total.

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 Post subject: re: How to remove firing pins on a Mossberg Silver Reserve O
PostPosted: Fri Nov 10, 2006 8:15 pm 
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Thanks for the followups. I just took delivery of my S.R. 20 gauge today and I hope I won't need to put this information to use. But good knowledge is always useful.


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 Post subject: re: How to remove firing pins on a Mossberg Silver Reserve O
PostPosted: Sat Nov 11, 2006 8:11 am 
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Bump for BS review of my previous post.


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 Post subject: re: How to remove firing pins on a Mossberg Silver Reserve O
PostPosted: Thu Nov 23, 2006 5:23 pm 
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Location: Virginia Beach, VA
The upper firing pin comes out rather easily. I can't get out the angled retainer pin that holds both firing pins in place. With the retainer pin halfway out, the upper firing pin comes out.

Is there a special angled punch that is needed to fully remove the retainer pin?

OBTW, lots of dirt and rusty components inside, cleaning as I try to fix this thing.

Image

Angled pin, out enough for upper firing pin to come out

Image

Left side of receiver, top hole is angled towards the visible side (outside of the stock) side, very hard to get a punch down there.

Any ideas or suggestions?

Here is what the inside of a dirty Onyx Reserve looks like:
Image


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 Post subject: re: How to remove firing pins on a Mossberg Silver Reserve O
PostPosted: Thu Nov 23, 2006 8:08 pm 
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Apparently you just have to get mad at it an pull the retaining pin out with plyers.

The firing pin spring for the lower pin (broken one) is missing, it must be in the caverns of the receiver???
Image


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 Post subject: re: How to remove firing pins on a Mossberg Silver Reserve O
PostPosted: Mon Dec 25, 2006 8:16 am 
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Joined: Thu Nov 09, 2006 12:31 am
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How did this turn out, Air? Did you get a new pin and spring and get it back together?


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 Post subject: re: How to remove firing pins on a Mossberg Silver Reserve O
PostPosted: Mon Dec 25, 2006 11:13 am 
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I have not ordered a new pin from Mossberg yet (can't find any other source, Numrich aint no gots). A friend thought he had some laying around, but he didn't and I've been using my son's back up gun.

So I need to get off my fat butt and order a pin and spring. I did find the old spring, it was on the floor, must have fallen out when I was struggling w/ the retainer pin removal.

I'll post the results...


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 Post subject: re: How to remove firing pins on a Mossberg Silver Reserve O
PostPosted: Mon Dec 25, 2006 3:31 pm 
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Joined: Thu Nov 09, 2006 12:31 am
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Thanks, I'd appreciate it.


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 Post subject: re: How to remove firing pins on a Mossberg Silver Reserve O
PostPosted: Tue Dec 26, 2006 12:52 pm 
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Joined: Thu Nov 09, 2006 12:31 am
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Location: SE Mass
My upper firing pin broke on Sunday! :?

At a count of not quite 400 low brass 7 1/2 pellet shells shot through it, the upper barrel ceased functioning, and there were no dents on the primers.

Closer inspection and disassembly have revealed that the upper firing pin has broken where it narrows, and the lower firing pin has a slight bend in the same location. I have attached a close-up picture - I set them on lined paper so it would be easier to see the bend in the lower pin. I do not know if the lower pin is designed with that bend, or if that is a problem starting to happen.

Image

I really like this shotgun and hope this is only a materials problem and not a design flaw, because my other Mossberg (500) has been as reliable as a rock.


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 Post subject: re: How to remove firing pins on a Mossberg Silver Reserve O
PostPosted: Tue Dec 26, 2006 5:16 pm 
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Piecing my lower pin together, it does not appear to have a bend in it. My upper pin is straight.

When I showed up w/ mine at the range, seeing it was a Turkish gun, the first thing my friend said was I was gonna need firing pins.


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 Post subject: Re: re: How to remove firing pins on a Mossberg Silver Reser
PostPosted: Tue Dec 26, 2006 5:26 pm 
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Air wrote:
Piecing my lower pin together, it does not appear to have a bend in it. My upper pin is straight.


Interesting. Thanks for checking that out.

Air wrote:
When I showed up w/ mine at the range, seeing it was a Turkish gun, the first thing my friend said was I was gonna need firing pins.


You're kidding! Are Turkish guns known for munching parts? {F* When I speak with them tomorrow morning, I will try to find out how many guns have had this problem. I doubt that they will tell me.

This seems like a possible opportunity for someone who fabricates things out of titanium.


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 Post subject: re: How to remove firing pins on a Mossberg Silver Reserve O
PostPosted: Tue Dec 26, 2006 6:38 pm 
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Just think of all the fun you are having with your new hobby. :lol:

I think I'll order both top and bottom pins, when I get around to it.


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 Post subject: Re: re: How to remove firing pins on a Mossberg Silver Reser
PostPosted: Tue Dec 26, 2006 10:14 pm 
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Air wrote:
Just think of all the fun you are having with your new hobby. :lol:

I think I'll order both top and bottom pins, when I get around to it.


{CR8 Yeah. :D I hope they can shed some light on this issue. Ideally, I'd like to hear them say that the first run of them had bad metal used for the firing pins and the new ones should go the distance. But, realistically, I will see what they say and go from there. I can't see having to replace a firing pin every 400 rounds; that seems absurd. I have other guns that requite regular parts replacement, but at a far higher round count, so I don't mind it so much. Film at 11...


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 Post subject: re: How to remove firing pins on a Mossberg Silver Reserve O
PostPosted: Wed Dec 27, 2006 7:21 am 
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Well, I bought my Onyx Reserve used, and I put a butt ton more rounds thru it then 400.

I also have a 1972 vintage Mossberg 500, still going strong. The pin in there doesn't strike at an angle like these do.

How dirty/rusty was the inside of your SR? Dremel tools are a wonderful thing...


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