Question about Glock 22 conversion to 9mm. - Page 2
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Question about Glock 22 conversion to 9mm.


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Old 06-25-2011, 02:50 AM   #11
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You can swap the 17 and 22 top ends (pre Gen4) with no problem. The early Gen3 17 only had a single pin, but the later Gen3 has the dual pin like the G22.

My knock about G17 has a .40 ejector and has never failed. I swap top ends all the time.
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Old 06-25-2011, 04:37 AM   #12
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Good point about single pin 9mm frames, M14sRock. I understand very early 22s had a single pin block but found wanting so Glock quickly upgraded the Gen2 22 to the two pin block. It wasn't until Gen3 the same was done to the 17 since it was more of a convenience than a necessity.
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Old 06-25-2011, 04:52 AM   #13
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Good point about single pin 9mm frames, M14sRock. I understand very early 22s had a single pin block but found wanting so Glock quickly upgraded the Gen2 22 to the two pin block. It wasn't until Gen3 the same was done to the 17 since it was more of a convenience than a necessity.
You understand correctly my friend. The second pin was added because the recoil caused the locking block to rotate a bit during recoil. The 9mm does not do that, so the G17 did not need the second pin. They eventually added the second pin to standardize manufacture.

The area where the locking block tips up and hits the slide causes "gouging" to the slide, but it causes no problems. I polish it back down and leave it alone. The "gouge" only happens so much, then stops.
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Old 06-25-2011, 02:49 PM   #14
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I asked you before if your 22 and 17 are the same generation but no response from you. That's the real question, if one is a Gen4 and the other isn't - the answer is NO.

If the same gen, you can swap the uppers, the frames are the same. There is a chance the ejector could give you trouble from 9mm to 40 and vice versa but odds are it would work too.
Sorry Q, I didn't see your response. Yeah, they're the same. Both Gen4.
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Old 06-26-2011, 01:54 AM   #15
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... The area where the locking block tips up and hits the slide causes "gouging" to the slide, but it causes no problems. I polish it back down and leave it alone. The "gouge" only happens so much, then stops.
Ah yes, my 22Gen2 (even though it does have the 2 pin locking block) has slide peening but it doesn't seem to be causing any real harm. I understand Glock considers this a cosmetic flaw if someone complains. Bet it was a real problem on those rare single pin blocks.
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Old 06-26-2011, 01:59 AM   #16
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Sorry Q, I didn't see your response. Yeah, they're the same. Both Gen4.
No problem, T. Both Gen4 - then it should be ok to swap uppers unless the ejectors don't play well with the other caliber. How about the recoil spring assemblies - are they the same strength? I'm curious about this on the big Glocks. At one time Glock was using the same exact RSAs for the 17 and 22 but I think now they're changed (I'm pretty sure this is the case with the 19 and 22 anyway). Anyway, the RSA should remain with its slide anyway so no issue.
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Old 06-26-2011, 03:31 AM   #17
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Ah yes, my 22Gen2 (even though it does have the 2 pin locking block) has slide peening but it doesn't seem to be causing any real harm. I understand Glock considers this a cosmetic flaw if someone complains. Bet it was a real problem on those rare single pin blocks.
When I first went through the Glock Police Transitional course (1989) our instructor had one of the prototype G22's with the single pin. We all got to shoot it and I stripped it down, looking for any signs of wear, etc. It did not have the peening. I would have noticed.
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Old 06-26-2011, 03:34 AM   #18
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No problem, T. Both Gen4 - then it should be ok to swap uppers unless the ejectors don't play well with the other caliber. How about the recoil spring assemblies - are they the same strength? I'm curious about this on the big Glocks. At one time Glock was using the same exact RSAs for the 17 and 22 but I think now they're changed (I'm pretty sure this is the case with the 19 and 22 anyway). Anyway, the RSA should remain with its slide anyway so no issue.
I've never had the ejectors make a difference when swapping Cal. The Gen4s now have springs rated to the Cal (FINALLY!).
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Old 06-26-2011, 03:45 AM   #19
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I've never had the ejectors make a difference when swapping Cal. The Gen4s now have springs rated to the Cal (FINALLY!).
Yeah, about time, M14sRock! My 23Gen4 has the 03 RSA and early 19Gen4s came with it too with ugly results. Now, like you say, the 19Gen4 comes with the 04 RSA and people with early ones who complain can get the 04 RSA.
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