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#6766190 - 05/16/17 09:00 PM Replace this firing pin or no?
LFD2037 Online   happy
THF Trophy Hunter

Registered: 11/05/08
Posts: 7523
Loc: TEXAS
This is a FP out of my AR-10 (DPMS G2) 7.62x51. I had some crappy ammo that was way hot & primers were blowing. This is after I cleaned it today. It seems burned pretty bad & that's all the 'crust' I could get off it. Should I replace this FP?




Edited by LFD2037 (05/16/17 09:03 PM)
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#6766201 - 05/16/17 09:03 PM Re: Replace this firing pin or no? [Re: LFD2037]
RiverRider Offline
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Registered: 11/11/07
Posts: 7110
Loc: Wise Co.
If it won't clean up, maybe you should. Looks hosed up.
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#6766229 - 05/16/17 09:32 PM Re: Replace this firing pin or no? [Re: LFD2037]
LFD2037 Online   happy
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Registered: 11/05/08
Posts: 7523
Loc: TEXAS
I think I will. Supposedly this FP is titanium but I question that. The only one I can find for it is a DPMS titanium one for $40 is the only reason I'm hesitant. Anybody know if the G2 uses a standard 7.62 BCG firing pin or if it's some odd-ball due to the BCG on the G2 being so much smaller than a standard ar-10 BCG?
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#6766302 - 05/16/17 10:42 PM Re: Replace this firing pin or no? [Re: LFD2037]
FiremanJG Online   content
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Registered: 12/16/08
Posts: 21151
Loc: Wolfe City, TX
Mail it to me before you throw it away.
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#6766307 - 05/16/17 10:48 PM Re: Replace this firing pin or no? [Re: FiremanJG]
LFD2037 Online   happy
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Registered: 11/05/08
Posts: 7523
Loc: TEXAS
Originally Posted By: FiremanJG
Mail it to me before you throw it away.

So you can use it or check it out or ? I'm going to take a razor blade to it & see if I can clean it up. It really looks like it's been melted but keeps firing just fine.
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#6766356 - 05/17/17 01:14 AM Re: Replace this firing pin or no? [Re: LFD2037]
SR025 Offline
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Registered: 09/01/10
Posts: 5699
Loc: DFW
Soak it in slip 2000 carbon killer

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#6766361 - 05/17/17 02:24 AM Re: Replace this firing pin or no? [Re: LFD2037]
Toxarch Offline
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Registered: 03/09/11
Posts: 1806
Loc: Parker County
Run it through a tumbler and that should clean it.
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#6766368 - 05/17/17 05:35 AM Re: Replace this firing pin or no? [Re: LFD2037]
RiverRider Offline
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Registered: 11/11/07
Posts: 7110
Loc: Wise Co.
Sea Foam MIGHT work also.
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It's not that liberals are not smart, it's just that so much of what they know isn't so.

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#6766391 - 05/17/17 06:24 AM Re: Replace this firing pin or no? [Re: LFD2037]
FiremanJG Online   content
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Registered: 12/16/08
Posts: 21151
Loc: Wolfe City, TX
Originally Posted By: LFD2037
Originally Posted By: FiremanJG
Mail it to me before you throw it away.

So you can use it or check it out or ? I'm going to take a razor blade to it & see if I can clean it up. It really looks like it's been melted but keeps firing just fine.


So I can clean it.

Brass brush on a bench grinder.
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#6766394 - 05/17/17 06:29 AM Re: Replace this firing pin or no? [Re: LFD2037]
SR025 Offline
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Registered: 09/01/10
Posts: 5699
Loc: DFW
A new one is like $10, doesn't hurt to have items like firing pins, firing pin retaining pins, gas rings, extractors etc on hand

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#6766529 - 05/17/17 08:34 AM Re: Replace this firing pin or no? [Re: SR025]
LFD2037 Online   happy
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Registered: 11/05/08
Posts: 7523
Loc: TEXAS
Originally Posted By: SR025
A new one is like $10, doesn't hurt to have items like firing pins, firing pin retaining pins, gas rings, extractors etc on hand

The only one available for this gun is $40, as posted above. Reply from DPMS this morning:
"It does not look as if it needs immediate replacement, but we always recommend having a field repair kit for the rifles at all times which includes the firing pin. Thank you".
I'll clean the snot out of it and post back. Can y'all tell in the picks that the end has been melted and is just a blob of what it used to be? It's pitted and deformed but I don't know if y'all can tell that from the pics. I'll clean it tomorrow and try to get a more detailed pic. Thanks!
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R.I.P. CPO Matt Mills-(DEVGRU)- You will NEVER be forgotten!
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#6766570 - 05/17/17 09:10 AM Re: Replace this firing pin or no? [Re: LFD2037]
Eyesofahunter Offline
Bird Dog

Registered: 01/11/15
Posts: 404
Loc: Hill Country of Texas
My G2 was blowing primers and it was due to over sized firing pin hole in the bolt. Sent back they put a new bolt in and it was fixed early production it was an issue. If it keeps blowing primers I would send it in for replacement or you are going to keep cooking the pin.

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#6766750 - 05/17/17 12:40 PM Re: Replace this firing pin or no? [Re: LFD2037]
SR025 Offline
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Registered: 09/01/10
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#6766809 - 05/17/17 01:59 PM Re: Replace this firing pin or no? [Re: Eyesofahunter]
LFD2037 Online   happy
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Registered: 11/05/08
Posts: 7523
Loc: TEXAS
Originally Posted By: Eyesofahunter
My G2 was blowing primers and it was due to over sized firing pin hole in the bolt. Sent back they put a new bolt in and it was fixed early production it was an issue. If it keeps blowing primers I would send it in for replacement or you are going to keep cooking the pin.

Mine is the newer style yours was changed to. It was an ammo issue. Thanks.
_________________________
R.I.P. CPO Matt Mills-(DEVGRU)- You will NEVER be forgotten!
10-25-75 / 8-6-11 *K.I.A.*

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#6766812 - 05/17/17 02:00 PM Re: Replace this firing pin or no? [Re: SR025]
LFD2037 Online   happy
THF Trophy Hunter

Registered: 11/05/08
Posts: 7523
Loc: TEXAS

Thanks, but DPMS told me today the firing pin to the G2 is proprietary and it's the only one that'll work. Thanks anyways!
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R.I.P. CPO Matt Mills-(DEVGRU)- You will NEVER be forgotten!
10-25-75 / 8-6-11 *K.I.A.*

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