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I reached out to Sagebrush but by the time he had any, i was in Alaska and shipping is difficult. I had to make my own loads as i wanted hard cast for bears. I ran 2 full magazines through for accuracy and function testing with no issues.
I guess 15 grains of Bullseye was too much wink

I put a 20# Wolff spring in it too


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If i could post photos i would


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If this, as it seems, is mostly confined to Glock 40’s and 10mm’s, why in the world would anyone carry one? Honest question, I have no ax to grind.

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A couple old errors came up in this thread. First, pressure is only half the equation. While the 9mm Luger and .40 S&W might generate similar pressure, by virtue of the larger case hear the .40 imparts significantly more pressure to the breech face (bolt thrust). If both cartridges generate 35,000 psi the 9mm will deliver 3,464 lbs and the .40 will deliver 4,398 lbs - a 27% increase. The .40's larger case will also generate more radial pressure and more hoop stress which can also be magnified if the larger bore is cut into a 9mm barrel.

Second, a heavier recoil spring does little to nothing to decrease unlock time and that is being generous.


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was the ruptured case still in the barrel?

I had a gen 3 Glock 19 do that it left the case in the barrel. blew the case out on the unsupported ramp on the bottom. It blew the magazine out of the pistol. It was the last round and the mag was empty. stung my hand pretty good. The other damage you reported did not happen on this Kaboom.

I think I had a double load. The ammo was gun show reloads my brother gave me. A fiend of mine thinks the pistol fired out of battery.


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The old "40 caliber Glock barrels do have enough chamber support" is one of those things that had some merit many years ago but is extremely dated information.

Sadly it gets repeated by people who don't actually have any personal experience. They simply read something on the internet and repeat it. Usually the information they have read on the internet is not actual first hand information either. It is literally repeated like a parrot over and over by others until it becomes "internet fact".

It is much like the "You must be limp wristing it" phenomenon that has become that catch all response for any semi auto malfunction. People who literally could not describe the cycle of operations of a firearm if their life depends on it will gladly diagnose any issue with a firearm without any real information. If it malfunctions, then "You must be limp wristing it".

Along that same line, any time a .40 caliber Glock is brought up, it must be "poor chamber support". This is in spite of not having any verifiable information. This is the "Limp wristing of the .40 S&W" world. In spite of the fact that Glock changed the chamber dimensions more than 2 DECADES ago.

2nd Generation Glock .40s did have issues, but that was more than 20 years and over 1 MILLION .40 caliber guns ago.


Here are some pics not pulled off the web, but from my bench.

Here is a .40 cal Match grade KKM barrel. You can see the chamber support:




[Linked Image from i.imgur.com]

And here is a Gen3 Factory Glock 22 .40 barrel:



[Linked Image from i.imgur.com]

And here is a Les Baer .45 Match barrel and its "Chamber support" for comparison:


[Linked Image from i.imgur.com]




Confirmation Bias is the tendency to interpret new evidence as confirmation of one's existing beliefs or theories.


Quite often they are wrong.



The punchline is that people repeat the same information and come to conclusions without verifying any facts.


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The Tikka T3 in .308 Winchester is the Glock 19 of the rifle world.


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Glad you are ok Dennis.


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I’m sure the “15 grains of Bullseye” was a joke but what was the actual load?


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Good friend has an early 27, and was loading his ammo with top
level loads. He blew numerous cases.

I was there for the first one, and some of the last.

First was a bit of an issue for us. Neither ever had something like that
happen. But it wasn't a big deal. On firing, it stung his hands.
Then he realized the mag had blown out.


Checked everything, nothing damaged.
Went back to shooting, different ammo.

Wasn't a predictable, repeatable thing. That gun had the chamber cut
out where the ramp feeds the round in. It left nice smileys.
Kinda guessed the ruptures were when a pressed back smiley lined
up with that spot again.

He finally gave up on loading for it. Factory ammo was never an issue.


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Glad to hear that Dennis is ok.

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Buffalo Bore used to list spring recommendations for using their 10MM 220 gr Hardcast ammo in Glocks. Changed the spring to a 22# in my Glock 20 I used to own accurate and worked well with BB 220 gr hardcast ended up selling the Glock and bought a Springfield XDM 10mm using the same load.


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Originally Posted by McInnis
Originally Posted by OlderGuy54
Sounds like a well thought out plan. Having only a Swiss Army really adds to the level of brilliance.

I hate posts like this. Someone comes here to share information that’s of interest to us all, and gets a snarky smarta$$ reply like this.

I thought it was snarky myself however I have several Swiss army knives that have never left the house. But then I would have had a belt knife on me. The cool part it trying to kill a caribou with it. That's being snarky!

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Have several G23.4's that get shot a lot.

Rules for .40 Glocks:
- Gen 4.
- Factory ammo.
-"Barney" hand chamber loading.

Had a Gen 2 for a long time and never had a problem, either.

PS. .40 - is loaded to 35KPSI, just like std. pressure 9mm Para.




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Originally Posted by mjbgalt
Originally Posted by OlderGuy54
Sounds like a well thought out plan. Having only a Swiss Army really adds to the level of brilliance.


What an azzhole


In short, you think he had a well laid out plan. Thanks

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Originally Posted by McInnis
Originally Posted by OlderGuy54
Sounds like a well thought out plan. Having only a Swiss Army really adds to the level of brilliance.

I hate posts like this. Someone comes here to share information that’s of interest to us all, and gets a snarky smarta$$ reply like this.


Kind of like "I offered $50 to a ho in the southside of Chicago for a BJ, but when I finished I only gave her $20. I got my ass beat and was almost shot by her pimp."

McInnis be like "Thanks for the useful info, I hate that your WELL thought out plan didn't work"

The only useful info in the OP's post is that he was an ill prepared idiot.

Last edited by OlderGuy54; 08/31/22.
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Originally Posted by OlderGuy54
Originally Posted by McInnis
Originally Posted by OlderGuy54
Sounds like a well thought out plan. Having only a Swiss Army really adds to the level of brilliance.

I hate posts like this. Someone comes here to share information that’s of interest to us all, and gets a snarky smarta$$ reply like this.


Kind of like "I offered $50 to a ho in the southside of Chicago for a BJ, but when I finished I only gave her $20. I got my ass beat and was almost shot by her pimp."

McInnis be like "Thanks for the useful info, I hate that your WELL thought out plan didn't work"
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Originally Posted by Raferman
Originally Posted by OlderGuy54
Originally Posted by McInnis
Originally Posted by OlderGuy54
Sounds like a well thought out plan. Having only a Swiss Army really adds to the level of brilliance.

I hate posts like this. Someone comes here to share information that’s of interest to us all, and gets a snarky smarta$$ reply like this.


Kind of like "I offered $50 to a ho in the southside of Chicago for a BJ, but when I finished I only gave her $20. I got my ass beat and was almost shot by her pimp."

McInnis be like "Thanks for the useful info, I hate that your WELL thought out plan didn't work"
Steelhead making friends.
Lol


He ain't wrong. I know a lot here embrace stupidity.

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Wow. Because my pistol blew up i was an ill prepared idiot, just wow. How many caribou have you bulldoged and cut their throat. Maybe i should have had a 3rd gun? 2 knives?


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Originally Posted by jmd025
I’m sure the “15 grains of Bullseye” was a joke but what was the actual load?

I don't remember the load. I'll have to check my records but it was 7+ grains of Longshot under a 180 Acme hard cast bullet


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Originally Posted by dennisinaz
Wow. Because my pistol blew up i was an ill prepared idiot, just wow. How many caribou have you bulldoged and cut their throat. Maybe i should have had a 3rd gun? 2 knives?

If arseholes were jets, 24HCF would be LAX


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