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Discussion Starter · #1 ·
I picked up a brand new Steyr M40A1, and fired about 200 rounds the other week. Upon inspecting the spent shells, I noticed a "drag" mark on EVERY SINGLE primer. I had cleaned the gun thoroughly before shooting, including the firing pin channel.

Can anyone help diagnose why this is happening, if it is normal, or if I need to get it repaired??





 

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I also recently bought the same pistol, and my spent cases look exactly the same. I just thought this was how the firing pin struck the casing.
I am still under my 500 round break in period. If this is not normal, please advise on what to do/how to fix.

Thanks
 

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My brass is similar, just not as pronounced. IIRC in the early stages the brass was just as marked
 
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Discussion Starter · #8 ·
Quick response, I love this company!

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Hi Jason,

NO, it is not normal. It looks as though the firing pin is not rebounding back into the receiver. Are you sure that the firing pin spring is in place, not broken…Is the firing pin channel in the receiver slightly lubed?

Our gunsmith, Allan Cornett, is out of town until Thursday, but I will forward your message to him to examine.

His e-mail is [email protected], and his phone number is (770) 888-4201.

Sincerely,

Jack Riddle
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That's great that they responded so quickly. Glad to know that this is not "normal" case markings. Let us know what the gunsmith tells you.

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Try a new striker spring.........can we even get any :?: :lol:
 

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yes please post an update when you get a reply...

I shot my M9-A1 for the first time today and I got exactly the same brass marks on all the cases :?
 

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Glocks have similar markings as I recall.
 
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Discussion Starter · #13 ·
The armorer called me today and said this is normal. He said there is no type of reset or retaining spring for the striker, so it's forward as the barrel drops to eject the shell and the action resets. He said it shouldn't cause any type of malfunction or damage to the weapon. Interesting because I had never seen this before.
 

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My M357 brass looks just like your picture for the primer strike and the LCI ding on the edge of the brass. Stange thing is that my M9 and S9 both have the more normal looking round firing pin mark. All have the LCI ding. For some reason the FP on the M9 and S9 retracts before the slide moves back far enough to drop the barrel while the M357 doesn't. They all feel the same. No stickiness to the M357 FP in the channel. I figured it must be due to the recoil of the M357. I just worry about the drag causing extra stress and wear on the FP tip since I'm a little worry about parts availability (Although the new Steyr service have been great the one time I needed a replacement spring). Glocks have the striker drag also.
 
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Discussion Starter · #15 ·
go blast another 600 rounds through it this weekend and save 5 cases each from the begining of firing and from the end of firing.
 
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Discussion Starter · #16 ·
Another 150 through it, same markings. Only one FTE which resulted in a loose double feed. Think it was limp-wrist or dirty chamber though. I could not repeat it even under stressful and rapid fire.
 
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Discussion Starter · #17 ·
Even though the armorer said it's no big deal, I'm not sure how I feel about this (my pistol does the same thing). Seems like a great way to snap the tip off the firing pin, or get it to slamfire.

CQ
 

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I don't recall any swipe on my broken in M9's. But again my Glocks all have a swipe of some kind after thousands of rounds with no negative affects................. :wink:
 
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