Can you fix glocks unsupported chamber?

Yeah, as long as the aftermarket barrel has a supported chamber. I think Barstow makes such a barrel, as does others. I assume that you have a 10mm Kurtz. :rolleyes:
 
I believe Barstos barrel IS fully supported, but its not clear on their site, Jarvis barrels on the other hand are definitely fully supported.
 
How can you tell if your gun has a fully supported barrel? Do you have any pictures of a supported barrel v. an ubsupported barrel? What manufactures weapons come with a fully supported barrel?
 
Hunter:

Keep in mind that lots of makes of pistols (like Berettas) have unsupported chambers. If you shoot factory ammo, you don't need to worry about it. If you reload with lead bullets in a Glock, you do need an aftermarket barrel.

Call Glockmeister (888-453-2563) and talk to Ben. Don't be put off by his accent - he is former Glock factory specialist (also former Israeli Special Services) and you can take his word as the gospel when it comes to Glocks. He sells aftermarket barrels if it turns out that you really need one.

Dawg23
 
How can you tell if your gun has a fully supported barrel? Do you have any pictures of a supported barrel v. an ubsupported barrel? What manufactures weapons come with a fully supported barrel?
Click to expand...
A chamber is not fully supported if the area of the case above the feed ramp is not completely supported by the barrel wall. Theres a pic of a unsupported chamber under #4 on the page in the following link-
http://communities.prodigy.net/sportsrec/gz-glock-kb.html
Some fully supported pistols are HK USPs, & Sigs.
 
I dont mean to be blunt, but there is honestly no problem to fix. The weapon is the way it's meant to be. Glock is one of the best, they know what their doing.
 
Why would a manufacture decide not to have a fully supported barrel, and can a gun with a fully supported barrel out preform a gun with an unsupported barrel?
 
I believe they design the chamber opening a little wider above the ramp to help the feeding of rounds. Guns with fully supported chambers dont outperform unsupported ones, they may be less likely to Kb but wont outperform. Unsupported barrels may actually perfrom better as the wider chamber opening aids in reliable feeding, although Id rather have one or two jams than one or two fingers.;)
 
Barsto and Jarvis assure me that thier aftermarket barrels have better support than stock GLocks.

I had the feed ramp of a Kel-Tek P32 TIG welded up and I re cut the feed ramp and re reamed the chamber. The point at which case bulge starts improved dramatically.


I measured case support by holding a barrel and putting in a case and
scribing a line with a needle on the case as far forward as the chamber
will allow. With dial calipers I then measured the distance from the
base to the mark. To measure web thickness [the rear wall of a
cartridge] I sectioned cases with a cut off wheel in a Dremel tool. I
then measured the thickness with a dial caliper. I measured as many
pistols as I could take apart. If you could measure your Glock 20 after
market Federal Arms barrel, I would appreciate the data.


PISTOL SUPPORT WEB MARGIN RATING

Patriot 45acp .180" .180" 0" 21,000psi
Colt 1911 45acp .225 .180 -.045 21,000psi
Para Ordinance 45acp .235 .180 -.055 21,000psi
Glock 20 10mm .250 .180 -.070 37,500psi
Glock 22 40sw .235 .180 -.055 35,000psi
Glock 19 9mm .190 .160 -.030 35,000psi
Kel-Tek P11 .190 .160 -.030 35,000psi
Star Firestar .165 .160 -.005 35,000psi
CZ52 9mm .145 .160 +.015 35,000psi
Tokarev 9mm .160 .160 0 35,000psi
CZ52 7.62x25mm .185 .185 0 42,000cup
Tokarev 7.62x25mm .170 .185 +.015 42,000cup
Berretta 1934 .380 .170 .175 +.005 17,000cup
Kel-Tek P32 32acp .250 .150 -.100 20,500psi
 
Before you buy anything call Glock. I am pretty sure they will swap our yoru old barrel for a new one for FREE if you send it in to them.

Also if you have an old style they will upgrade you to a new frame for like $150 i think.
 
Glock doesn't have a problem with their barrels. Many many pistols use unsupported chambers above the feedramp. This is how you increase feed reliability. The idea is to blend feed reliability with shooting safety. If you go to either extreme you loose the other.
Glock is a combat handgun. The ability of the gun to feed ammo is paramount. You won't have any problems with factory loads up to +P. It's when you start messing with reloads or bullets with set back that you have problems.
You can get a more supported barrel but with that you will loose feedability. It may shoot fine at the range but under pressure, when you fire multiple double taps you may end up with a jam.

I don't know of any semi-auto that has a fully supported chamber. Even aftermarket barrels aren't fuly supported.
 
Yes, but in my experience, not without compromising reliability.

If it was _that_ easy, Glock would do it too.

Just get a USP, SIG, or wait and see what the HS2000 in 40 looks like.

Or don't worry about it like the FBI, DEA, US Marshals, Illinois State Police, etc don't. Several years and several million rounds later, they haven't switched back. Yet.;)
 
"Or don't worry about it like the FBI, DEA, US Marshals, Illinois State Police, etc don't.
Several years and several million rounds later, they haven't switched back. Yet."
And these are only a few agencies mentioned by BrokenArrow. The list is nearly endless and the millions of rounds are growing daily.
Just follow the manufacturers recommendations, which seems difficult for some, and you will be problem free.;)
mac
 
As leedesert has pointed out, technically there is no such thing as a fully case-supported chamber in the Browning/modified-Browning design. The Bar-Sto, Jarvis, KKM, Briley, etc. are more supported and have tighter chambers than Glock -- which is better for use by handloaders. Glocks are made for combat reliability, not the target shooter who handloads lead bullets. Use an aftermarket barrel for reloads and your Glock factory barrel for carry.
 
There may be no perfectly supported chambers, but some pistols support to the web line in the case. Others leave up to .070" of unsupported thin case wall in front of the case web.

When I test safety factor in pistols to the max, I get feed ramp case bulge and kaboom only in barrels not supported to the case web.

With pistols supported to the case web, the primer falls out, the primer pierces, or the barrel splits. Something else happens besides the standard kaboom.
 
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