Chamber support of Glock barrels? [Archive] - Glock Talk

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tercel89
11-06-2012, 09:47
I know that one of the key reliability factors of the Glock pistols is a lack of chamber support so the cartridge can feed very reliable , but I have read several times lately that Glock has beefed up their chamber support and there is better chamber support than it used to be . Is this true ?
I checked my older G30 (from 1997) verses my G21 (from 2010) and the chambers look the same. I did the comparison by taking each barrel out and putting a cartridge in each and comparing the exposed part of the cartridge.
Do any of you guys know for sure if Glock has beefed up the chambers ?

DannyR
11-06-2012, 09:52
The chamber support has been increased on 40 caliber barrels. I know of no issue with 45 caliber barrels. I shot over 10,000 rounds through my 1997 G30, mostly reloads.

tercel89
11-06-2012, 10:01
The chamber support has been increased on 40 caliber barrels. I know of no issue with 45 caliber barrels. I shot over 10,000 rounds through my 1997 G30, mostly reloads.

So is this only going on with the .40 caliber barrels ?

DocWills
11-06-2012, 10:01
The issue was almost entirely with 40sw with hot loads, 180 grain usually. Glock targeted thir response to them. 45 will expand with hot loads but the issue never really got out of hand with 45.:supergrin:

texagun
11-06-2012, 11:37
This photo (posted by another member) may help.

MajorD
11-06-2012, 11:58
the early 40 issues were a COMBINATION of the sloppy glock chamber AND weak early run brass. with properly loaded in spec factory ammo or a properly assembled reload you will never have an issue. for the record it is impossible to have a truly fully supprted chamber in an semi auto pistol based on how they operate. so if anyone tells you they have a fully supported chamber they are full of it.

fuzzy03cls
11-06-2012, 12:25
And Glocks barrels have been fixed for years & years & years now. The internet keeps bringing it back to life.

rajbcpa
11-06-2012, 14:39
about 5 percent of pick up brass in 40 sw is bulged.... that tells you there are a lot of older glocks around....

alank2
11-06-2012, 18:17
Hi,

The 10mm is still way too loose IMHO. I recently bought a G20 and even lower pressure rounds bulge way too much to be reloaded in the factory barrel.

Thanks,

Alan