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Round striker hole for Glock slide?

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Hello everyone,

We machine Glock slides (from billet) and I wanted to get a general Glock user consensus on what you think as a consumer about an aftermarket Glock slide with a round striker hole instead of the factory rectangular hole? The factory striker tip would be able to pass through it normally and (as far as our testing has shown, the pistol fires as good as factory).

Reason for this is quicker manufacturing lead times and eliminating add costs--since we can CNC drill the round striker hole in-house instead of sending it out to EDM the rectangular striker hole.

Your opinions would greatly help us decide on whether to pursue this route.

Thank you in advance!

-N
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I have a Gen3 G35 that started to have failures to fire. Good indent on primers. I blamed it on my reloads having high primers as most would fire on second attempt. Not the problem. Replaced firing pin spring. Nope. After several thousand more rounds with the failures happening almost every mag I was at and end.
Removed all internals and sent the pistol to Glock for refurbish with letter explaining my problems. Received the Glock and went to the range. Not a single failure in several hundred rounds.
I got to thinking that maybe Glock had fixed a problem with the gun. Removed all the new parts and reinstalled the old. The problem returned. This Glock had been fired about 35,000 rds. with most being reloads with CCI primers. And yes I tried different primers before sending it to Glock.
Detailed stripped and started comparing the old with the new. Fortunately I started with the firing pin. It was only then that I could see the very fine point on the firing pin was rounded. Primer strikes had looked good but comparing those with the rounds fired with new rounds with a 10X jewelers lupe you could see that there was a definite deeper, sharper imprint. So Glock firing pins can wear out. A round firing pin should be even more robust.
I have not wanted a Gen 5 but when they make G27 in black I will have one.
 

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Just relating my personal experience. I have a 1992 Gen2 G22 with 65,000 rounds, that was sent to Glock for refurbish at 60,000 rounds. The original firing pin is in the gun now and I keep the new one as a spare.
If you look closely at the Gen1 thru 4 Glock firing pins the thin blade has a fine point that would be more likely to wear [shorten] than a round one. Not an engineer but simple physics would lead you to believe that a firing pin with more mass/surface area would tend to wear less. If no one else has ever had a Glock firing pin to wear down to the point of unreliability then I guess I got a Honda tranny.
I have posted previously about these two guns that Glock refurbished for me without charging a dime including return shipping.
I do reload to feed my seven Glocks, about 200,000 plus rds. by my guesstimate. For about twelve years I was shooting as many as seven matches monthly. I don't play golf, cannot play tennis any more, and I only fish when I go to the coast.
So this is what I do, shoot, reload, shoot, reload, shoot...................
 

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I am assuming that Glock engineers identified a less costly manufacturing process for the slide and firing pin and saw no downside and possibly greater longevity. It may have the military trials that promoted this change. But what experience do the have?
If the OP has the machinery and talents to make a slide I don't think that making a round firing pin would be very difficult.
I have 'assumed' that you are very defensive on this subject. I merely related an instance of a failure that had me perplexed as I did not think that a Glock firing pin would wear to unreliability with my 60,000 rd Glock as an example of one that had not. I have another Gen2 G24 with 25,000 plus rounds that has not malfunctioned, but I will keep a close look when I do my 5 -6 thousand round detail strip.
I stand by my belief that a round firing pin will be stronger and more wear resistant than a narrow thin blade unless an engineer can post differently.
CCI primers are generally thought to be the hardest of the readily available primers. If federal primers were available to me I might never have had a problem. I do know that I had a worn firing pin and a new one solved the problem.
You also seem to have decided that I would buy one of these slides an install OEM parts.
Of all the things that I have changed and modified the slide is not one of them.
 
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