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Joined: Oct 2004
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Campfire Ranger
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Campfire Ranger
Joined: Oct 2004
Posts: 24,674 Likes: 1 |
It's nice to be able to do in a pinch but it's not something you'd want to do over hundreds of rounds. It's putting a lot of extra strain on the extractor using it to maintain headspace.
Falls into the category of can but probably shouldn't. While you could make that case, I highly doubt you'll ever wear an extractor out shooting .40 in a 10mm.
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Joined: Apr 2005
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Campfire 'Bwana
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OP
Campfire 'Bwana
Joined: Apr 2005
Posts: 30,985 Likes: 6 |
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While you could make that case, I highly doubt you'll ever wear an extractor out shooting .40 in a 10mm. Agree 💯 %
I got banned on another web site for a debate that happened on this site. That's a first
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Joined: Nov 2006
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Campfire Outfitter
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Campfire Outfitter
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I think any “added stress” to the extractor would be insignificant.
Mathew 22: 37-39
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Joined: Feb 2004
Posts: 2,379
Campfire Regular
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Campfire Regular
Joined: Feb 2004
Posts: 2,379 |
I chronographed 1 round of 40 S&W 180 grain jacketed flat point and recorded 983.6 FPS ![[Linked Image from i.postimg.cc]](https://i.postimg.cc/Ls5dHtxh/20230307-084409.jpg) That's about 20fps slower than what I see from an M&P40c ( I'm guessing Blazer brass). The extra room before hitting the rifling is lowering the pressure.
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Joined: Apr 2005
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Campfire 'Bwana
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OP
Campfire 'Bwana
Joined: Apr 2005
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I chronographed 1 round of 40 S&W 180 grain jacketed flat point and recorded 983.6 FPS That's about 20fps slower than what I see from an M&P40c ( I'm guessing Blazer brass). The extra room before hitting the rifling is lowering the pressure. Agreed 💯%
I got banned on another web site for a debate that happened on this site. That's a first
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Joined: Jun 2015
Posts: 1,928
Campfire Regular
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Campfire Regular
Joined: Jun 2015
Posts: 1,928 |
Have recently got a GP Match Champion. Will be putting a few 40s in moon clips for fun. Just because. Better buy some better clips than the ones that came with the gun. I have many very sturdy clips. Have heard of the probs.
Society of Intolerant Old Men. Rifle Slut Division
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Joined: Jul 2011
Posts: 2,286
Campfire Regular
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Campfire Regular
Joined: Jul 2011
Posts: 2,286 |
Building up a ring of fouling inside the chamber is another concern. Swapping back to 10mm without properly cleaning could result in reliability issues.
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Joined: Apr 2005
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Campfire 'Bwana
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OP
Campfire 'Bwana
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Building up a ring of fouling inside the chamber is another concern. Swapping back to 10mm without properly cleaning could result in reliability issues. I think that a build up that could cause a problem would take a lot of shooting.
I got banned on another web site for a debate that happened on this site. That's a first
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Joined: Jan 2007
Posts: 2,252
Campfire Regular
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Campfire Regular
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Anyone know of an actual failure caused by shooting .40 S&W in the 10mm?
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Joined: Dec 2010
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Campfire Regular
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Campfire Regular
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Most people don't have what it takes to get old
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Joined: Apr 2005
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Campfire 'Bwana
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OP
Campfire 'Bwana
Joined: Apr 2005
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I got banned on another web site for a debate that happened on this site. That's a first
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Joined: Dec 2010
Posts: 2,502
Campfire Regular
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Campfire Regular
Joined: Dec 2010
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oh sorry you probably wanted the details. It was my fault. Bad reload. Cast lead, shaved lead on seating, stuck to case outside case mouth. On feeding, Glock 20 there was enough resistance, full lock up failed and blew the extractors and mag out.
Use Lone Wolf stainless steel extractors on all my Glocks after that. I think Glock is using MIM after Gen 5 now.
Most people don't have what it takes to get old
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Joined: Dec 2010
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Campfire Regular
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Campfire Regular
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Most people don't have what it takes to get old
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Joined: Jun 2002
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Campfire Sage
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Campfire Sage
Joined: Jun 2002
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And by doing so, you made an ass out of you and me.
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Joined: Dec 2010
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Campfire Regular
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Campfire Regular
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And by doing so, you made an ass out of you and me. ?? sorry didn't mean or want to offend anyone. How did I do that, by assumption? 90% of human existence is assumptions.
Most people don't have what it takes to get old
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Joined: Apr 2005
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Campfire 'Bwana
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Campfire 'Bwana
Joined: Apr 2005
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It's a sying "ass u me" get it?
I got banned on another web site for a debate that happened on this site. That's a first
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Joined: Jan 2017
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Campfire Outfitter
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Campfire Outfitter
Joined: Jan 2017
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The engineers definition of assume.
" Cheapest velocity in the world comes from a long barrel and I sure do like them. MB "
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Joined: Dec 2010
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Campfire Regular
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Campfire Regular
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Haaa have never heard that one.
Most people don't have what it takes to get old
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Joined: Apr 2005
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Campfire 'Bwana
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OP
Campfire 'Bwana
Joined: Apr 2005
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The only negative is the 40 S&W that I have shot in my 10mm shoots a tad high and to the left of where my sight is zeroed for the 10mm
I got banned on another web site for a debate that happened on this site. That's a first
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Joined: Nov 2006
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Campfire Outfitter
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Campfire Outfitter
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Building up a ring of fouling inside the chamber is another concern. Swapping back to 10mm without properly cleaning could result in reliability issues. I think that a build up that could cause a problem would take a lot of shooting. And no worse than shooting .38's in a .357 mag or .22 shorts in a .22 lr chamber. You can do it a lot with a minimal amount of regular maintenance.
Mathew 22: 37-39
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