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 02-04-2012, 04:29 PM | #1 | Senior Member Join Date: Jan 2012 Location: , Michigan Posts: 643 |  Premature Discharge During Extraction
What are the attributes for the Hi-Point firing pin springs.
I have read in another website about a cartridge firing while cycling live ammo due to the firing pin being use to eject a live round. This seems probable but unlikely since pressure and penetration is based on the speed and psi of the firing pin hitting the primer.
A typical firing pin spring has the following attributes.
- Protrusion should be about 0.055" (.040 to .060 acceptable)
- Firing-pin spring pressure about 20-25 pounds.
- Firing-pin penetration should be about 0.020".
I have cycled live cartridges through my Hi-Point pistols and not had any discharges during extraction. Has anyone experienced this premature discharge during manual extraction? __________________
Rangers Lead The Way | Liked 1 Times on 1 Posts
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| 02-04-2012, 04:41 PM | #2 | Supporting Member Join Date: Jul 2009 Posts: 1,215 |
Best thread title ever!
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-Nigel Tufnel | 
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| 02-04-2012, 04:42 PM | #3 | Supporting Member Join Date: Jul 2008 Posts: 568 |
I have not experienced it (premature discharge) with my Hi point that I use for plinking at the range, but I have noticed some light pin marks that is maybe a couple of thou deep in my live rounds that I have ejected before. That and a few other reasons is why I use it for cheep plinking and not a carry weapon. __________________
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Originally Posted by Ineffable
I think I am officially the most "sig'd" man on FTF:D
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| 02-04-2012, 04:43 PM | #4 | Supporting Member Join Date: Jul 2008 Posts: 568 |
Quote:
Originally Posted by sweeper22
Best thread title ever!
I apologize, I have nothing further to add to this conversation.
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Haha, head in the gutter again Sweeper?  __________________
Quote:
Originally Posted by Ineffable
I think I am officially the most "sig'd" man on FTF:D
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| 02-04-2012, 04:46 PM | #5 | Grounded Bugsmasher Join Date: Apr 2010 Location: Davenport, IA Posts: 3,066 |
Fair Warning... __________________ Scott
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| 02-04-2012, 04:51 PM | #6 | Supporting Member Join Date: Dec 2009 Location: Pendleton, 29670, South Carolina Posts: 522 |
Premature Discharge During Extraction
I hope it doesn't result in a paternity suit. | Liked 1 Times on 1 Posts
Likes Given: 1
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| 02-04-2012, 04:57 PM | #7 | Retired Join Date: Apr 2010 Location: LA (Lower Alabama), FL Posts: 5,211 |
I never experienced that problem.
Premature discharge during cartridge insertion I could see, but never extraction. __________________
Murphy's law has not be repealed.
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| 02-04-2012, 05:02 PM | #8 | Supporting Member Join Date: Jul 2008 Posts: 568 |
Quote:
Originally Posted by danf_fl
I never experienced that problem.
Premature discharge during cartridge insertion I could see, but never extraction.
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The OP is talking about when you pull a live round out of the chamber in the unloading process. When you do that with a Hi point the firing pin sticks out to push the round out of the extractor claws. __________________
Quote:
Originally Posted by Ineffable
I think I am officially the most "sig'd" man on FTF:D
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| 02-04-2012, 05:09 PM | #9 | Member Join Date: Dec 2011 Posts: 40 |
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Originally Posted by sweeper22
Best thread title ever!
I apologize, I have nothing further to add to this conversation.
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| 02-04-2012, 05:15 PM | #10 | Senior Member Join Date: Dec 2010 Location: Lufkin, Tx Posts: 2,069 |
Quote:
Originally Posted by sweeper22
Best thread title ever!
I apologize, I have nothing further to add to this conversation.
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