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Old 02-02-2013, 19:52   #1
Castello Dunhill
Join Date: Dec 2012
Posts: 60
9mm to .40 Conversion barrels in Gen 4 23's

Is anyone having ejection for BTF issues while using a Lonewolf, or other manufacturer, 9mm to .40 conversion barrel in their Gen 4 Glock 23's?

It seems to me that if you were to put in a conversion barrel than you would have the same problem with the Gen 4 19's are having.
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Old 02-03-2013, 06:57   #2
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Join Date: May 2003
Location: Chicagoland USA
Posts: 3,135

I think you mean .40 to 9mm conversion...I have one but not for the Gen4 issues in mine with 124GR ammunition...mostly Speer Gold Dot and Speer Lawman...I had tried some cheap Aguila in 115GR and had 2 in 100 FTRB that just a touch to the slide cured...but that was enough for me not to buy any more for my G23 wanna be G19...

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Old 02-03-2013, 09:16   #3
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Join Date: Jul 2009
Posts: 226
I have had zero issues but I went ahead and bought a gen 4 G19 RSA for use in my 23 when I had in the 40-9 conversion barrel.
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Old 02-03-2013, 09:27   #4
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Join Date: Apr 2010
Location: CT
Posts: 1,122
I have a Gen4 G23 with a Lone Wolf 40-9 conversion barrel, as well as a Gen3 factory G32 barrel. My current stats are as follows:

Factory 23 barrel- 1150 rounds, mostly WWB/Federal/Remington FMJ, and about 40 rounds of Winchester PDX1. 165gr and 180gr mix.


Lone Wolf 9mm barrel- 510 rounds of Federal/WWB 165gr and 180gr mix.


Gen3 G32 barrel- 200 rounds of WWB 125gr and 100 rounds Underwood 125gr Gold Dot.


General Glocking
•21SF gen3
•26 gen3
•20 gen3 (sold)
•23 Gen4 (/19 conversion)
•M&P •Ruger •Smith&Wesson •Kel-Tec •Mossberg •LWRC •Glades Gun Works
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