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-   -   Primer markings from striker and slide striker channel (http://glocktalk.com/forums/showthread.php?t=1453534)

flw 11-16-2012 19:24

Primer markings from striker and slide striker channel
 
Its difficult to explain in words and my camera won't focus on the brass to show you all what I'm talking about. I have a G23 Gen 4. Here it goes. :yawn:

When looking at a casing after firing it, the primer has the typical dimple (inward) but its inside of a outward rectangle shape stamped or pressed during the firing cycle.

All casings have the same post fire markings and no pre-firing marks. These markings occur with different ammo types (barrel 40 to 9 conversion). So it shows on 40 and 9mm brass casings.

The rectangle shape embossment is the same shape and size as the open channel in the slide that holds the striker. The ammo is factory target with standard sammi loads. Various mfg's

It may have been doing this all along but I just noticed last range session. On my other guns, this does not occur. Does my G23 Gen 4 have a issue?

Thank You for reading my poor description. I tried. :faint:

uz2bUSMC 11-16-2012 19:53

Have you tried Google for glock primer strike images?

uz2bUSMC 11-16-2012 19:54

1 Attachment(s)
Attachment 229096

This?

flw 11-16-2012 20:00

Quote:

Originally Posted by uz2bUSMC (Post 19639522)

Yes. I had to enlarge it to see the rectangle but that's it.

Whats up ?

uz2bUSMC 11-16-2012 20:14

Quote:

Originally Posted by flw (Post 19639541)
Yes. I had to enlarge it to see the rectangle but that's it.

Whats up ?

Nothin'. It's fine.

SCmasterblaster 11-16-2012 20:47

Quote:

Originally Posted by uz2bUSMC (Post 19639518)
Have you tried Google for glock primer strike images?

That's a good idea. The internet is full of images of just about anything.

Merkavaboy 11-16-2012 22:50

All Glocks produce the rectangular striker marks on primers. It's caused by the rectangular firing pin hole on the breech face of the slide.

SCmasterblaster 11-17-2012 06:50

Quote:

Originally Posted by Merkavaboy (Post 19640028)
All Glocks produce the rectangular striker marks on primers. It's caused by the rectangular firing pin hole on the breech face of the slide.

This is correct, brother. :cool:

blastfact 11-17-2012 10:25

Thats what Glock fired primers look like.

BUT do take notice if the primer hit has a swiped look to it. This could indicate the pistol is unlocking early or the striker channel is dirty and the striker is not retracting fast enough. Or both.

cowboy1964 11-17-2012 13:29

deleted

kaech 11-17-2012 13:32

Sounds like mighty fine primer strikes to me:thumbup:
The striker tip is a line shape not round like others
posted using Outdoor Hub Campfire

flw 11-17-2012 15:28

I understand that it is from the striker channel in the slide but why on a Glock and not on any other striker fired guns? (at least other guns I've owned or shot)

CanMan 11-17-2012 16:09

Quote:

Originally Posted by Merkavaboy (Post 19640028)
All Glocks produce the rectangular striker marks on primers. It's caused by the rectangular firing pin hole on the breech face of the slide.

Quote:

Originally Posted by blastfact (Post 19640912)
Thats what Glock fired primers look like.

BUT do take notice if the primer hit has a swiped look to it. This could indicate the pistol is unlocking early or the striker channel is dirty and the striker is not retracting fast enough. Or both.

Yep, it's a Glock 'primer fingerprint' alrighty.

Merkavaboy 11-17-2012 17:22

Quote:

Originally Posted by flw (Post 19641583)
I understand that it is from the striker channel in the slide but why on a Glock and not on any other striker fired guns? (at least other guns I've owned or shot)

If you look at the breech face of other striker fired pistols you'll notice they use a round firing pin unlike Glock's chisel point firing pin.

SCmasterblaster 11-18-2012 07:23

With super-hot laods
 
This rectangle gets shaved off a little. :cool:


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