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40 cal barrel in a G19
- Thread starter glassguy
- Start date
precision_shooter
New member
Yes.
No. The 40 barrel may fit the G19 slide but it will not shoot the 40 ammo. Breechface is too small on the G19; it is made for the 9mm round.
see the following website for conversion information.
http://www.glockfaq.com/content.aspx?ckey=Glock_FAQ_Barrel_Information
see the following website for conversion information.
http://www.glockfaq.com/content.aspx?ckey=Glock_FAQ_Barrel_Information
45_Shooter
New member
Guess I'll have to be on the lookout for a G23 then.
Just don't trade off your G19 for it; you'll want it back! I've owned both and sold the G23 off long ago; the G19 is still around and I still enjoy it.
precision_shooter
New member
Sorry to the OP. I was thinking of the G32 .357 sig.
Walt Sherrill
New member
Generally, you can get an after-market 9mm barrel for most .40s, but not the other way around.
Bar-Sto and other providers of "conversion" barrels adjust the 9mm conversion barrel to be the same diameter as the .40 barrel, and make other changes so that the existing extractor will work. They do this for SIGs and Glocks.
Most of these barrel makers won't consider selling a barrel that will shoot .40 in a 9mm slide -- first because they can't make them fit. And it's a very unusual stock barrel that will work in both a 9mm and .40 slide.
(One exception is the Witness line. Some of the older models had 9mm and .40 barrels of the same diameter, and their newer models offer interchangeable slides.)
Sometimes, too, the frames of the .40 models are beefed up a little to handle the larger round. (The Browning High Power frames for .40s are not the same as the 9mm frames, for example. Some of the SIG .40s are slightly larger than the same model in 9mm.)
Bar-Sto and other providers of "conversion" barrels adjust the 9mm conversion barrel to be the same diameter as the .40 barrel, and make other changes so that the existing extractor will work. They do this for SIGs and Glocks.
Most of these barrel makers won't consider selling a barrel that will shoot .40 in a 9mm slide -- first because they can't make them fit. And it's a very unusual stock barrel that will work in both a 9mm and .40 slide.
(One exception is the Witness line. Some of the older models had 9mm and .40 barrels of the same diameter, and their newer models offer interchangeable slides.)
Sometimes, too, the frames of the .40 models are beefed up a little to handle the larger round. (The Browning High Power frames for .40s are not the same as the 9mm frames, for example. Some of the SIG .40s are slightly larger than the same model in 9mm.)