Brass drag mark in G48

wemoodydc

wemoodydc

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I got a Glock 48 from the original owner who said it was jamming on him. I shot some WWB 115s through it without issue and called it good. During loading and unloading of carry ammo, I have been noticing that it leaves a single scratch on the brass and bullet each time it is chambered:PXL_20201107_161814244.jpg
I've had many Glocks in the past and I've never noticed this before. Is it something common to the G48 or do I have a burr in the chamber?
 
Im not much help other than i have a g 48 that is unfired but i do keep it loaded and when i unload i do not have scratches like these. Every gun leaves a little mark on the brass if you load it and unload it alot. my GUESS is it will loosen up once its fired a bit and springs settle in...Thats just a guess. I was also told not to chamber a round and then unchamber it at the end of the day and then rechamber it next day and so on, bc bullet can get pushed into shell slightly over time and cause a malfunction of some kind. Hope i helped more than i hurt, Good luck sir
 
That helps, thanks. I figured if it was a common symptom of something the brain trust would set me straight immediately. It hasn't affected function so far and I agree with the wait and see approach.
 
Call or email Glock with the picture. I've used there customer service before and they helped me with sight that stopped glowing. Just a thought.

I have 48 and 43x no problem like this .
 
I would try and diagnose. Take a sharpie and put a dot on top of the top round in the mag. Cycle it through the gun. now see where the mark is relative to your dot. do that on a few more rounds and see if it stays in the same spot. now you have a clue as to where the mark is coming from and you can look closer. Try and isolate it to magazine, barrel or slide doing the damage.
 
Catfish said:
I would try and diagnose. Take a sharpie and put a dot on top of the top round in the mag. Cycle it through the gun. now see where the mark is relative to your dot. do that on a few more rounds and see if it stays in the same spot. now you have a clue as to where the mark is coming from and you can look closer. Try and isolate it to magazine, barrel or slide doing the damage.
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I was trying to come up with a way to track what direction the scrape was coming from, I'll try marking with sharpie next. I have dropped a round into the stripped barrel and it doesn't appear to have any resistance in or out.
 
Is it possible it is picking it up from the round below it in the magazine stack?

Just throwing out ideas. Also, be careful with frequent loading/unloading of the top rounds, as it can cause bullet setback issues, from what I understand.(EDIT: MR. Bggs already mentioned setback, my bad.)
 
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Mr. Bggs said:
I was also told not to chamber a round and then unchamber it at the end of the day and then rechamber it next day and so on,
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Is this something people do a lot?
 
I only say bc in the gunsmithing program guys would carry to the school (totally legal), but had to unload in car and carry in empty. Then at end of day they would load back up and go home. Im sure most people dont to answer your question. Thats where i heard about bullets setting back. (thanks nkd. I had forgotten the term.)
 
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