Chamber support [Archive] - Glock Talk

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pcmanic
09-22-2012, 21:00
Are the new Gen 4 .40 S&W chambers fully supported? I'd like to try some Buffalo Bore brand bullets but they warn not to shoot them in Gocks ....Rich

dkf
09-22-2012, 21:23
You are not going to get a fully supported barrel for a Glock, well at least not one that will function. There is going to be an area at the feed ramp that is not going to have full support, just the way it is. The later .40 glock barrels like in your Gen 4 have more support than the older .40 barrels. If it were me I would shoot them one a time and examine the brass. A small convex portion near the unsupported part of the chamber is normal.

If you get something that looks like the pic below you do not want to shoot any more.
http://i299.photobucket.com/albums/mm285/SDV10/10mmbulge1.jpg

DannyR
09-23-2012, 00:26
No semi-automatic has a 100% fully supported chamber. Having one would render the pistol a single shot, hand fed weapon, as ammo would not feed from a magazine into the chamber. Some barrels have more chamber support than others, but the trade off is sometimes reliability with all ammo.

avenues165
09-23-2012, 13:35
I, too, have wondered about the safety of using a hot .40 load from vendors such as BB, DT, Underwood (I know about the chrono results folks have seen from DT).

BB states on their website that Glock OEM barrels are not to be used with their ammo. DT posts results using Glocks, Underwood doesn't say. Are the +p designations from some manufacturers a true indication of pressures that exceed SAAMI specs, or are they a marketing strategy?

It has been my practice to stay away from .40 "+p" loadings.

TattooedGlock
09-23-2012, 13:38
Underwood tests all their 10mm ammo in stock Glocks.

M 7
09-23-2012, 13:50
You are not going to get a fully supported barrel for a Glock, well at least not one that will function. There is going to be an area at the feed ramp that is not going to have full support, just the way it is. The later .40 glock barrels like in your Gen 4 have more support than the older .40 barrels. If it were me I would shoot them one a time and examine the brass. A small convex portion near the unsupported part of the chamber is normal.

If you get something that looks like the pic below you do not want to shoot any more.
http://i299.photobucket.com/albums/mm285/SDV10/10mmbulge1.jpg

Yikes. :shocked:

Is that spent case from a gun that you fired?

ctious
09-23-2012, 14:19
You are not going to get a fully supported barrel for a Glock, well at least not one that will function. There is going to be an area at the feed ramp that is not going to have full support, just the way it is. The later .40 glock barrels like in your Gen 4 have more support than the older .40 barrels. If it were me I would shoot them one a time and examine the brass. A small convex portion near the unsupported part of the chamber is normal.

If you get something that looks like the pic below you do not want to shoot any more.
http://i299.photobucket.com/albums/mm285/SDV10/10mmbulge1.jpg

I disagree. There are aftermarket that are fully supported and will function fine. It cause cause feeding problems. But it can be done. Most venders now just offer better support. Tig weld the ramp and recut it. U can get fully supported that way.

TattooedGlock
09-23-2012, 14:22
I just watched a vid showing Glock, Lonewolf, and a Storm Lake10 mm barrel and comparing the throat of each. They all covered the round exactly the same. The Glock was about 1/10th of a millimeter wider at the opening. Not a whole lot of difference.

jeanderson
09-23-2012, 14:47
Here's one of several pics I found comparing .40 cal barrels. Older (1998) would appear to be less supported:
http://i299.photobucket.com/albums/mm285/SDV10/G23BarrelComparo.jpg

AquaHull
12-15-2012, 07:48
Nice pics, I'll have to look at my '06 model

My 19 looks in between the 98 G23 and 09 LWD barrel barrel

ADK_40GLKr
12-15-2012, 07:58
It has been my practice to stay away from .40 "+p" loadings.

There IS such a thing???

SJ 40
12-15-2012, 09:47
There IS such a thing???There is No SAMMI specs for a 40 S&W + P ,so it would be a fly by the seat of the pants kind of thing,not something I'm interested in. SJ 40

clarkz71
12-15-2012, 10:23
Are the new Gen 4 .40 S&W chambers fully supported? I'd like to try some Buffalo Bore brand bullets but they warn not to shoot them in Gocks ....Rich

Much better then they were, equal to LW barrel

I disagree. There are aftermarket that are fully supported and will function fine. It cause cause feeding problems. But it can be done. Most venders now just offer better support. Tig weld the ramp and recut it. U can get fully supported that way.

Here's my G23 Gen3 March2012 production

Way more support then the old 98 & before barrels


http://i86.photobucket.com/albums/k120/clarkz71/Glock40G23Chamber2012010.jpg

dkf
12-15-2012, 12:18
I disagree. There are aftermarket that are fully supported and will function fine. It cause cause feeding problems. But it can be done. Most venders now just offer better support. Tig weld the ramp and recut it. U can get fully supported that way.

Show me a fully supported aftermarket Glock barrel then. Maybe in a 1911 but not a Glock. You also contradict yourself saying the barrel will "function fine" and then say "can cause feeding problems". Which one is it. Sounds like you are talking out your rear. A gun that does not function reliablly is worthless to me in every application.

diode
12-15-2012, 13:39
Much better then they were, equal to LW barrel



Here's my G23 Gen3 March2012 production

Way more support then the old 98 & before barrels


http://i86.photobucket.com/albums/k120/clarkz71/Glock40G23Chamber2012010.jpg

I agree, Glock has changed the chamber to the point that a reliable feed and good safety appear to be accomplished in my later Gen g23. Any more support would be a revolver cylinder. jb

clarkz71
12-15-2012, 13:55
I agree, Glock has changed the chamber to the point that a reliable feed and good safety appear to be accomplished in my later Gen g23. Any more support would be a revolver cylinder. jb

For sure, I had 2 G23's back in 97, I couldn't believe how
much better the new ones were when I got this new Gen 3.

kodiakpb
12-15-2012, 14:06
Here's a 2010 G23C RTF2

http://img.tapatalk.com/d/12/12/16/6ydyhe6e.jpg

tonyparson
12-15-2012, 17:03
Here is the chamber support on my 1995 G24...

http://forums.mathewsinc.com/images/userpix/14104_photo_5.jpg

F106 Fan
12-15-2012, 17:37
If the manufacturer says not to shoot their ammo in Glock barrels, why do you have a question?

Don't shoot their ammo in a Glock barrel!

Richard

AustinTx
12-15-2012, 20:05
You are not going to get a fully supported barrel for a Glock, well at least not one that will function. There is going to be an area at the feed ramp that is not going to have full support, just the way it is. The later .40 glock barrels like in your Gen 4 have more support than the older .40 barrels. If it were me I would shoot them one a time and examine the brass. A small convex portion near the unsupported part of the chamber is normal.

If you get something that looks like the pic below you do not want to shoot any more.
http://i299.photobucket.com/albums/mm285/SDV10/10mmbulge1.jpg

I have never had a barrel, in a 1911 that required a chamber that much oversize, to function. Why does Glock?

nraman
12-15-2012, 20:28
I agree, Glock has changed the chamber to the point that a reliable feed and good safety appear to be accomplished in my later Gen g23. Any more support would be a revolver cylinder. jb

The new Glocks have all the support they need.
The unsupported part is solid brass, not case wall. The bottom of the case is solid. Solid brass is safe until you exceed rifle pressures.
I got rid of my earlier .40s and a 10mm for their lack of support. I like my Gen 4 G22s and G27. In addition to the excellent support, the Gen4 G22 has better feeling recoil thanks to the new spring.

dkf
12-15-2012, 20:37
I have never had a barrel, in a 1911 that required a chamber that much oversize, to function. Why does Glock?

That was not my pic. That pic was one of those hot "fully supported barrel only" 10mm loads shot out of an older 10mm barrel if memory serves me right.

Even the 1911 guys run into support issues trying to make major with .38super. The ramped 1911 barrel is about as close as I have seen to full support.
http://38super.net/Pages/Major.html
http://38super.net/Pages/supported.html

It is not that the older Glock barrels were oversized. They just were generous in the amount of chamfer at and around the top of the feed ramp to help ensure reliable feeding. Some guns have worse support than even the older Glocks.

SargeMO
12-15-2012, 20:40
Here's one of several pics I found comparing .40 cal barrels. Older (1998) would appear to be less supported:
http://i299.photobucket.com/albums/mm285/SDV10/G23BarrelComparo.jpg

LOL... I thought I was going to have to find that photo and re-post, but you beat me to it. Here's the money quote and a link to the whole article (http://sargesrollcall.blogspot.com/2009/09/lone-wolf-distributors-barrel-for-glock.html).

I have long contended that Glock, who will never admit there was a chamber-support problem in the first place, made subtle changes to mitigate this problem. You take a look and decide for yourself.

tonyparson
12-15-2012, 21:06
LOL... I thought I was going to have to find that photo and re-post, but you beat me to it. Here's the money quote and a link to the whole article (http://sargesrollcall.blogspot.com/2009/09/lone-wolf-distributors-barrel-for-glock.html).

Thay had to add more chamber support because people couldn't follow what Glock says about not shooting reloads through them. I have a 1995 G24 and I don't worry at all about the chamber support because I won't shoot reloads through it. All kbooms are ammo related. When people have a kboom with reloads they always blame the gun not there reloaded ammo.

dkf
12-15-2012, 21:17
You can have kabooms with factory ammo too. I have read old articles that blamed bullet setback as a main cause for many .40 kabooms. I would wager that there has been hundreds of millions of rounds of reloaded .40 through those older barrels.

SARDG
12-15-2012, 21:46
Thay had to add more chamber support because people couldn't follow what Glock says about not shooting reloads through them...
Glock doesn't say to NOT shoot reloads; to paraphrase, the Glock warranty says that you should only shoot ammunition specified by NATO or SAAMI. I reload to SAAMI specs.

tonyparson
12-15-2012, 22:24
Directly from the Glock instruction/warranty manual:
Page 15 section 26 (in red)
The use of reloaded ammuntion will void the Glock warranty, due to the unpredictability of the standards (sami/nato) adhered to , since reloads of poor quality ammunition may not meet specs, may exceed safe limits, and therefore may be unsafe.

SARDG
12-16-2012, 00:36
Direct from Glock Warranty (mail-in post) Card enclosed with firearm and dated 03/2011:

Manufacturer's Limited Warranty

(in part) ...
The provisions of this warranty shall not apply to any firearm which has been subject to misuse, negligence, alteration, use of non-authorized spare parts, use of ammo other than SAAMI or NATO specs, improper maintenance, or removal, alteration or defacing of the serial numbers.....

Seems to be a contradiction in warranty statements with documents both enclosed with the firearm, but the Warranty Card (with Glock, Inc's warranty terms) is quoted above.

SargeMO
12-16-2012, 09:44
You can have kabooms with factory ammo too. I have read old articles that blamed bullet setback as a main cause for many .40 kabooms. I would wager that there has been hundreds of millions of rounds of reloaded .40 through those older barrels.

Having been involved with LE firearms training since 1991, The Glock "KABOOM" thing is real. We have seen NCIC teletypes describing this phenomenon after they started chambering them in anything bigger than 9mm. A good many of these were with new, factory ammo. With very rare exceptions, LE agencies do not buy reloads to qualify with.

A good friend of mine blew his brand, spanking new 10mm Glock on the first round, with a reload that had been fed to Colt Deltas by the thousands. Two other .40's I know of, have done the same thing with factory .40 HP or ball that ran fine through S&W 4006s before the change.

Yes, the number of documented KaBooms have dwindled over the years. Yes, Glock has increased their chamber support over the years; but reloaded ammo was most assuredly NOT the cause for KaBooms in documented, LE agency incidents.

nraman
12-16-2012, 10:11
Direct from Glock Warranty (mail-in post) Card enclosed with firearm and dated 03/2011:

Manufacturer's Limited Warranty

(in part) ...
The provisions of this warranty shall not apply to any firearm which has been subject to misuse, negligence, alteration, use of non-authorized spare parts, use of ammo other than SAAMI or NATO specs, improper maintenance, or removal, alteration or defacing of the serial numbers.....

Seems to be a contradiction in warranty statements with documents both enclosed with the firearm, but the Warranty Card (with Glock, Inc's warranty terms) is quoted above.

It also fails to include European spec ammo.

dkf
12-16-2012, 13:19
Having been involved with LE firearms training since 1991, The Glock "KABOOM" thing is real. We have seen NCIC teletypes describing this phenomenon after they started chambering them in anything bigger than 9mm. A good many of these were with new, factory ammo. With very rare exceptions, LE agencies do not buy reloads to qualify with.

A good friend of mine blew his brand, spanking new 10mm Glock on the first round, with a reload that had been fed to Colt Deltas by the thousands. Two other .40's I know of, have done the same thing with factory .40 HP or ball that ran fine through S&W 4006s before the change.

Yes, the number of documented KaBooms have dwindled over the years. Yes, Glock has increased their chamber support over the years; but reloaded ammo was most assuredly NOT the cause for KaBooms in documented, LE agency incidents.

All anecdotal evidence because you have no way of knowing if anything was wrong with the round that caused the failure.(brass flaw, double charge and etc) Not to mention just because a load will run in one gun without issue does not mean it will run in another gun which is primarily true when you loaded up near the max and especially with used brass. People are quick to point fingers when in reality they don't know or often cannot comprehend the true reason the event happened.

SargeMO
12-16-2012, 14:09
Right, dkf. I'm sure all those agencies were sending out NCIC bulletins--which incidentally, specified the precise ammo used--because they were anti-Glock. Never mind the that fact that the period I'm talking about is when various Beretta and S&W autos were seeing wide use- and they weren't blowing up.

Try not to drown in your swimming pool of KoolAid.

dkf
12-16-2012, 14:27
Right, dkf. I'm sure all those agencies were sending out NCIC bulletins--which incidentally, specified the precise ammo used--because they were anti-Glock. Never mind the that fact that the period I'm talking about is when various Beretta and S&W autos were seeing wide use- and they weren't blowing up.

Try not to drown in your swimming pool of KoolAid.

I only own two Glocks and own more other brand handguns than Glocks by far so you can take your Koolaid comment and stick it up your rear. Typical reply for someone who lacks any real knowledge so relys on attacks to take the light of them.

Lets see a pdf or jpeg of the bulletin and the list of "precise ammo" used please.

If memory serves me correct the reason for those bulletins was because of some .40 Glocks that were firing out of battery. Which has little to do with chamber support.

SargeMO
12-16-2012, 16:39
I only own two Glocks and own more other brand handguns than Glocks by far so you can take your Koolaid comment and stick it up your rear. Typical reply for someone who lacks any real knowledge so relys on attacks to take the light of them.

Lets see a pdf or jpeg of the bulletin and the list of "precise ammo" used please.

If memory serves me correct the reason for those bulletins was because of some .40 Glocks that were firing out of battery. Which has little to do with chamber support.

If you had any exposure to the bulletins at all, you would know that-

1. Each one was incident specific and there were dozens of them. "The bulletin" with its "list of precise ammo used" exists only in your mind.

2. NCIC bulletins are (generally) not for public dissemination, although certain information contained within them may be available via FOIA.

3. I was and am privileged to the bulletins by virtue of employment. I am not the custodian of these records.

4. Submit your FOIA request to:

National Crime Information Center
1000 Custer Hollow Road
Clarksburg, West Virginia 26306
Telephone: (304) 625-2000

... and let us know how that works out for you.

dkf
12-16-2012, 17:47
If you had any exposure to the bulletins at all, you would know that-

1. Each one was incident specific and there were dozens of them. "The bulletin" with its "list of precise ammo used" exists only in your mind.

2. NCIC bulletins are (generally) not for public dissemination, although certain information contained within them may be available via FOIA.

3. I was and am privileged to the bulletins by virtue of employment. I am not the custodian of these records.

4. Submit your FOIA request to:

National Crime Information Center
1000 Custer Hollow Road
Clarksburg, West Virginia 26306
Telephone: (304) 625-2000

... and let us know how that works out for you.

You are the one that stated "precise ammo used" not I.

And as for the Bulletin, how convientent for you. An excuse for having nothing to back up your spewed garble. With such a huge Glock issue (as you make it out to be) there should be some info and maybe even a bulletin floating around. You told me exactly what I need to know and don't even know it.

AustinTx
12-16-2012, 19:06
Having been involved with LE firearms training since 1991, The Glock "KABOOM" thing is real.


Yes, the number of documented KaBooms have dwindled over the years. Yes, Glock has increased their chamber support over the years; but reloaded ammo was most assuredly NOT the cause for KaBooms in documented, LE agency incidents.

That's exactly the way it is, take it or leave it. I don't really care. Lack of chamber support, in some Glock pistols has caused high pressure release of gas at the 6 O'clock position of the cartridge case. IOW, it blows a hole in the case and causes a great surprise, to the shooter. The unsupported case can be seen, just by dropping a loaded round, in the chamber and compare the amount of brass hanging out at the bottom of the chamber.

I have shot Remington factory loaded 45 ACP, in a Colt 1911 that I only shot 1 out of in a Glock. The case bulged so bad, it wouldn't even go into a resizing die. The lack of case support isn't a new subject, on GT. A little searching will prove that.

The subject of KoolAid doesn't need to be mentioned.

dkf
12-16-2012, 19:48
I have shot Remington factory loaded 45 ACP, in a Colt 1911 that I only shot 1 out of in a Glock. The case bulged so bad, it wouldn't even go into a resizing die. The lack of case support isn't a new subject, on GT. A little searching will prove that.

What model and vintage Glock were you using?

The .45acp is not a high pressure round and is known to have long brass life even in Glock barrels. It is possible for some reason the gun was not going into battery or other issue also. That is what I have been trying to say just because there is a failure of the case near the relief at the feed ramp does not necessarily mean it is a support issue however I am not saying in some cases it cannot be.

nraman
12-17-2012, 09:52
I have shot Remington factory loaded 45 ACP, in a Colt 1911 that I only shot 1 out of in a Glock. The case bulged so bad, it wouldn't even go into a resizing die. The lack of case support isn't a new subject, on GT. A little searching will prove that.

The subject of KoolAid doesn't need to be mentioned.

The problem I see is that people make general statements that don't apply to everything.
Do Glocks bad case support? Yes and no.
The 9mm always had great support and tight chamber, the new .40 and the 357 are great.
The 10mm not so good, the 45 shoots on a wing and a prayer.
I got rid of both my G20 and a couple of G21s for that reason.

AustinTx
12-18-2012, 16:02
If you get something that looks like the pic below you do not want to shoot any more.
http://i299.photobucket.com/albums/mm285/SDV10/10mmbulge1.jpg

A gun that produces fired cases that look like that, is a defective gun. Except Glock, by definition, I guess. If my cases looked like that, the Glock barrel would be changed to a KKM or equal. Actually, they did look like that, or worse. I was surprised it didn't blow out. New cases are wonderful.

There never has been a problem with Glocks in 9mm, as for the chamber support. I reckon they depend on the tapered case to feed properly. Awhile back, Glock sold some pistols, in the US that were proof marked, in Austria. I did a quick search, of GT and I didn't find any guns, other than 9mm that had Austrian proof. The only models, that I found, were G17 & 19. IMO, I don't think a 40 S&W, 10 mm or 45 ACP Glock will pass an Austrian proof. I would like to hear, if anyone has one.

The G21 that I got bulged cases from, was new in 1999, gen 3. No out of battery or defective ammo. The Glock chamber is just too big. I don't have the means to measure it, but I would bet, it won't pass the SAAMI spec. for chamber dimensions. I doubt that Glock ever ran a proof round through that pistol. I let my Son have it, with full cautions. I have plenty of other 45 ACP pistols to waste any money on an aftermarket barrel. I wasn't going to throw anymore good money after bad. Remington 45 ACP, from that same box fired, in a Colt 1911 with absolutely no noticeable expansion, at the base.

The 357 SIG seem to be alright. That's my favorite, anyway. The bottleneck case seems to take care of any feeding problem.

The 40 S&W seems to be a total crap shoot. I have seen pictures here that look like they have pretty much 100% case support and others with way too much brass case hanging out. I'm gonna be looking for an Austrian proofed Glock in 40 S&W or 10 mm. I'm beginning to wonder about the 45 ACP, the low pressure round, it is, also.

None of my Glocks are going to be high volume shooters, at least not by me, so I don't worry much about them.

I think that plastic is an improper choice of material to build a pistol with, except in 9mm. A 40 S&W, with something clamped on the rail will work, if the phase of the moon, or you hold your mouth just right. I do have several 40s and seem to have lucked out, with them. I won't tempt fate, by clamping a light on, though.

Believe it or not, that's just my opinion and I don't care to discuss this subject further here. Anyone that cares to, can prove it wrong.
:snoopy:

dkf
12-18-2012, 16:26
A gun that produces fired cases that look like that, is a defective gun. Except Glock, by definition, I guess. If my cases looked like that, the Glock barrel would be changed to a KKM or equal. Actually, they did look like that, or worse. I was surprised it didn't blow out. New cases are wonderful.
Sounds you are not familer with the loads that produced the brass in the picture. Those were at or above max pressures and we do not know if there was any setback, overcharged or anything. I take it you are also not seasoned reloader with a knowledge of load development if so you would better understand what is going on there. It is why you develop loads to the barrel/gun and why the ammo manufacturer of the case in the picture recommended the better supported aftermarket barrel, the loads were developed for that barrel.

The G21 that I got bulged cases from, was new in 1999, gen 3. No out of battery or defective ammo. The Glock chamber is just too big. I don't have the means to measure it, but I would bet, it won't pass the SAAMI spec. for chamber dimensions. I doubt that Glock ever ran a proof round through that pistol. I let my Son have it, with full cautions. I have plenty of other 45 ACP pistols to waste any money on an aftermarket barrel. I wasn't going to throw anymore good money after bad. Remington 45 ACP, from that same box fired, in a Colt 1911 with absolutely no noticeable expansion, at the base.You cannot really get an idea what is going on by firing only one round however I understand why you did not go any further. I hope you at least sent that Glock off to Glock to be looked at. If I spent money on a gun that I suspected was not functioning properly I would send it back to the company. If their is a problem with the weapon I would hate to give it to a loved one and have them get hurt. Let the manufacturer spend the money to test it and make sure everything is up to spec, no reason for you to.

Every Glock barrel I have ever measured was right in the middle of the SAAMI specified size range. All were later barrels however. That said I find it hard to believe Glock or any other company would open themselves up to major liability and knowlingly make a barrel with a chamber outside of SAAMI specs. Of course that does not mean that defects do not get by. Glock was just generous with the relief at the feed ramp and around the end of the chamber.

As for polymer framed pistols it has been pretty well proven a good pistol can be made with it. Lots of other companies besides Glock make some very good plastic framed firearms.

I am sorry you had an issue with your Glock. No hard feelings due to this thread I hope. I was just interested in some of the specifics.:wavey:

clarkz71
12-18-2012, 16:37
Believe it or not, that's just my opinion and I don't care to discuss this subject further here. Anyone that cares to, can prove it wrong.



Done.

AustinTx
12-18-2012, 16:37
Sounds you are not familer with the loads that produced the brass in the picture. Those were at or above max pressures and we do not know if there was any setback, overcharged or anything. I take it you are also not seasoned reloader with a knowledge of load development if so you would better understand what is going on there. It is why you develop loads to the barrel/gun and why the ammo manufacturer of the case in the picture recommended the better supported aftermarket barrel, the loads were developed for that barrel.

You cannot really get an idea what is going on by firing only one round however I understand why you did not go any further. I hope you at least sent that Glock off to Glock to be looked at. If I spent money on a gun that I suspected was not functioning properly I would send it back to the company. If their is a problem with the weapon I would hate to give it to a loved one and have them get hurt. Let the manufacturer spend the money to test it and make sure everything is up to spec, no reason for you to.

Every Glock barrel I have ever measured was right in the middle of the SAAMI specified size range. All were later barrels however. That said I find it hard to believe Glock or any other company would open themselves up to major liability and knowlingly make a barrel with a chamber outside of SAAMI specs. Of course that does not mean that defects do not get by. Glock was just generous with the relief at the feed ramp and around the end of the chamber.

As for polymer framed pistols it has been pretty well proven a good pistol can be made with it. Lots of other companies besides Glock make some very good plastic framed firearms.

I am sorry you had an issue with your Glock. No hard feelings due to this thread I hope. I was just interested in some of the specifics.:wavey:

Yep, inexperienced reloader.

I have had very good luck working up loads for my 454 Casull, 44 S&W MAG and most other common, popular rounds. Got started with that, around 1969.

Your quote: Lots of other companies besides Glock make some very good plastic framed firearms.

Cuts to the heart of the matter.:supergrin: My 45 H&K USP don't make bulged cases, ever. It's also, not a Glock, so you are correct.

Brian Lee
12-19-2012, 15:30
It's much safer to simply buy a 10MM than to go playing around with evil pressure .40 loads.

clarkz71
12-19-2012, 17:32
It's much safer to simply buy a 10MM than to go playing around with evil pressure .40 loads.

Did the 10mm game, G20, Colt Delta Elite.
.40 barrels are well supported now in late Glocks.

I like the G23 with 155 & 165gr hot loads.

Corbon 135gr @ 1300 fps is nice to.
If I ever move back out to the rural area's
I'll get another 10mm. Don't need one down
around Ft Lauderdale beach.

This is my 2012 G23 barrel

http://i86.photobucket.com/albums/k120/clarkz71/Glock40G23Chamber2012010.jpg

AustinTx
12-20-2012, 16:28
It's much safer to simply buy a 10MM than to go playing around with evil pressure .40 loads.

Who's playing around with evil pressure .40 loads? I missed that.

I'm still curious, as to whether anyone has a 40 S&W Glock that was proof tested, in Austria.

icelandicstud
12-21-2012, 09:42
here is a comparison of some of my 10mm barrels I have... The lone wolfs I just ordered about 2 weeks ago so not fired yet. Honestly I'm kinda concerned about the chamber support on them...or lack of...especially with the rest of the chamber being as tight as LWD runs them...no place for pressure to dissipate to except the exposed web. At least with the Glock factory barrel the rest of chamber is loose enough for pressure to dissipate/ whole case can expand out.


http://i49.tinypic.com/x0o4us.jpg
http://i49.tinypic.com/rl97yv.jpg
http://i46.tinypic.com/30jn0o1.jpg
http://i46.tinypic.com/r8tkt0.jpg