|10-26-2017, 08:32 PM||#1|
Join Date: Apr 2017
10 mm barrel to 40 s&w
just wondering if anyone knows whether or not a 10 mm Glock barrel, OEM or aftermarket, can have the chamber shortened by shrink installing a sleeve into the barrel which can then be reamed down to the correct headspacing depth to accept the 40 s&w round? basically just bringing the shoulder up the 2mm or so needed to match the 40 chamber.
As to why, just know that I live in Australia and our laws are silly
|03-11-2020, 02:13 PM||#2|
Join Date: Mar 2020
I'm not sure about modifications to the barrel, but I have read reports of owners firing .40 through the 10mm barrel with no damage and acceptable accuracy. Good luck, draconian firearms laws suck.
|03-13-2020, 03:13 PM||#3|
Join Date: Jun 2001
Doing a shrink installation is always rather "iffy" but it's most iffy in a bottle neck cartridge like was done in the M1 Rifle to convert to .308.
These had a bad habit of extracting and ejecting the insert and the next round would feed and fire unless the shooter was very lucky enough to notice the insert was ejected.
I suspect this would work in a 10mm pistol, but the cost will likely be high and you'll need a gunsmith who's VERY up to his game to insure the insert stays put.
The up side is, you're dealing with a straight pistol case operating at much less pressure then a center fire high power bottle neck rifle cartridge.
Last edited by dfariswheel; 03-13-2020 at 03:16 PM.
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|03-30-2020, 10:40 PM||#4|
Join Date: Mar 2020
Can't you just purchase a 40S&W barrel? Or are the Aussie state regs preventing you from having a spare barrel for your pistol?
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