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Glock Question?

By Yahoo Answers
2007-08-19 09:57:17
Why does it say in the box not to shoot reloads out of a Glock.I have probly shoot 500 rounds through my model 21 and I had no problems.I do know that I cant shoot lead bullets out of it.My father has a Glock 26 and 33 the 9mm reloads shoot good but the 357 sig jam up alot.Why do they say not to shoot reloads out of a Glock.Alot of my friends shoot reloads out of Glocks too and they never had problems either.
Answered By: Jon
You answered part of this. Due to the type of rifling you should not shoot lead bullets. The second answer is that some of the chambers are not supported. Every time a case is resized and fired the "web" (the part just above the rim) portion is weakened. After a few reloads on the same brass case it WILL reach a point that the case web will rupture. When that happens it will release all the high pressure gas and cut right through the frame as it is only polymer. This is a very big problem with the 40 cal and 357 sig as it operates at higher pressures than the 9mm and 45. When you shoot a 40 or 357 sig pick up a empty case and roll it on a flat surface and you will see a slight bulge near the bottem. The fix is a simple one, purchase a match barrel that has a supported chamber. These you will be able to shoot reloads through as well as lead bullets as the rifling is cut rifling. Most of the barrels are drop in units that anyone can install. I went with a bar-stol in my competition IPSC gun which is a model 35. It required just a small amount of fitting (note: this was because I bought a over sized unit that required fitting) that I was able to do myself, it is now the most accurate semi auto I have. Good luck and safe shooting.
User: Curtis B
It's probably a legal disclaimor, in case someone reloads their ammo using made up data and wishful thinking instead of well established data from reliable sources. They don't want someone blowing up one of their guns and then sueing them for not telling not to.
User: H
Curtis has it right. It is a legal disclaimer since the Glock company has no control over re-loads. They just don't want to be sued. H
User: boker_magnum
Yup, they have it right, it'sthe almighty liability issue. The 11th commandment is 'Cover thine own butt" and ALL gun companys have to do this in order to protect themselves from frivolous lawsuits.
User: Capt. Mark
It's to cover their butts legally. If a spent case that is weakened explodes, it can cause injury to the shooter. In GLOCK .40 s&w, this can be a problem because of the lack of chanber support and the .40's high operating pressure bulge the brass. 9mm seems to be immume to this problem, and the 357 sig GLOCKs have good chamber support.
User: John T
Most firearms today contain such warnings, and people are right it is primarily a legal disclaimer. If you're shooting reloads make sure they are loaded to "factory" specs. The reason for the problems with the 357 Sig may be due to case size variations, on a necked case you need to pay careful attention to all the dimension specifications. By the way, some people do shoot lead bullets in their Glocks, they just follow a few rules. Clean it thoroughly and often--I've heard 100 rounds, 150 rounds, 200 rounds. Glock's rifling tends to scrub off lead and that leads to lead fouling. Any lead bullet should be medium velocities and most people recommend hard cast bullets. You can also order barrels that do not use Glock's style of rifling and do not share Glock's leading problems.
User: Karl Wolf
Could be wrong, but I think that's mostly a liabialty issue! Basicly so when some idiot uses a way overpreassure cartridge and blows the gun up he can't sue!
User: johndeereman
Ammo manufacturers go to great lengths to assure the specs of the ammo they make,e.g. velocity,pressure,case length,etc. You could probably do that too-but the gun manufacturers don't know you,can't verify the safety and quality of your reloads and so on.Will automobile manufactures honor the warranty if you use your homemade motor oil in the engine? Glocks will shoot just about anything you feed them-if your life depends on your Glock then better feed it right.
User: Jon
You answered part of this. Due to the type of rifling you should not shoot lead bullets. The second answer is that some of the chambers are not supported. Every time a case is resized and fired the "web" (the part just above the rim) portion is weakened. After a few reloads on the same brass case it WILL reach a point that the case web will rupture. When that happens it will release all the high pressure gas and cut right through the frame as it is only polymer. This is a very big problem with the 40 cal and 357 sig as it operates at higher pressures than the 9mm and 45. When you shoot a 40 or 357 sig pick up a empty case and roll it on a flat surface and you will see a slight bulge near the bottem. The fix is a simple one, purchase a match barrel that has a supported chamber. These you will be able to shoot reloads through as well as lead bullets as the rifling is cut rifling. Most of the barrels are drop in units that anyone can install. I went with a bar-stol in my competition IPSC gun which is a model 35. It required just a small amount of fitting (note: this was because I bought a over sized unit that required fitting) that I was able to do myself, it is now the most accurate semi auto I have. Good luck and safe shooting.
User: Curtis B
It's probably a legal disclaimor, in case someone reloads their ammo using made up data and wishful thinking instead of well established data from reliable sources. They don't want someone blowing up one of their guns and then sueing them for not telling not to.
User: H
Curtis has it right. It is a legal disclaimer since the Glock company has no control over re-loads. They just don't want to be sued. H
User: boker_magnum
Yup, they have it right, it'sthe almighty liability issue. The 11th commandment is 'Cover thine own butt" and ALL gun companys have to do this in order to protect themselves from frivolous lawsuits.
User: Capt. Mark
It's to cover their butts legally. If a spent case that is weakened explodes, it can cause injury to the shooter. In GLOCK .40 s&w, this can be a problem because of the lack of chanber support and the .40's high operating pressure bulge the brass. 9mm seems to be immume to this problem, and the 357 sig GLOCKs have good chamber support.
User: John T
Most firearms today contain such warnings, and people are right it is primarily a legal disclaimer. If you're shooting reloads make sure they are loaded to "factory" specs. The reason for the problems with the 357 Sig may be due to case size variations, on a necked case you need to pay careful attention to all the dimension specifications. By the way, some people do shoot lead bullets in their Glocks, they just follow a few rules. Clean it thoroughly and often--I've heard 100 rounds, 150 rounds, 200 rounds. Glock's rifling tends to scrub off lead and that leads to lead fouling. Any lead bullet should be medium velocities and most people recommend hard cast bullets. You can also order barrels that do not use Glock's style of rifling and do not share Glock's leading problems.
User: Karl Wolf
Could be wrong, but I think that's mostly a liabialty issue! Basicly so when some idiot uses a way overpreassure cartridge and blows the gun up he can't sue!
User: johndeereman
Ammo manufacturers go to great lengths to assure the specs of the ammo they make,e.g. velocity,pressure,case length,etc. You could probably do that too-but the gun manufacturers don't know you,can't verify the safety and quality of your reloads and so on.Will automobile manufactures honor the warranty if you use your homemade motor oil in the engine? Glocks will shoot just about anything you feed them-if your life depends on your Glock then better feed it right.
User: Jon
You answered part of this. Due to the type of rifling you should not shoot lead bullets. The second answer is that some of the chambers are not supported. Every time a case is resized and fired the "web" (the part just above the rim) portion is weakened. After a few reloads on the same brass case it WILL reach a point that the case web will rupture. When that happens it will release all the high pressure gas and cut right through the frame as it is only polymer. This is a very big problem with the 40 cal and 357 sig as it operates at higher pressures than the 9mm and 45. When you shoot a 40 or 357 sig pick up a empty case and roll it on a flat surface and you will see a slight bulge near the bottem. The fix is a simple one, purchase a match barrel that has a supported chamber. These you will be able to shoot reloads through as well as lead bullets as the rifling is cut rifling. Most of the barrels are drop in units that anyone can install. I went with a bar-stol in my competition IPSC gun which is a model 35. It required just a small amount of fitting (note: this was because I bought a over sized unit that required fitting) that I was able to do myself, it is now the most accurate semi auto I have. Good luck and safe shooting.
User: Curtis B
It's probably a legal disclaimor, in case someone reloads their ammo using made up data and wishful thinking instead of well established data from reliable sources. They don't want someone blowing up one of their guns and then sueing them for not telling not to.
User: H
Curtis has it right. It is a legal disclaimer since the Glock company has no control over re-loads. They just don't want to be sued. H
User: boker_magnum
Yup, they have it right, it'sthe almighty liability issue. The 11th commandment is 'Cover thine own butt" and ALL gun companys have to do this in order to protect themselves from frivolous lawsuits.
User: Capt. Mark
It's to cover their butts legally. If a spent case that is weakened explodes, it can cause injury to the shooter. In GLOCK .40 s&w, this can be a problem because of the lack of chanber support and the .40's high operating pressure bulge the brass. 9mm seems to be immume to this problem, and the 357 sig GLOCKs have good chamber support.
User: John T
Most firearms today contain such warnings, and people are right it is primarily a legal disclaimer. If you're shooting reloads make sure they are loaded to "factory" specs. The reason for the problems with the 357 Sig may be due to case size variations, on a necked case you need to pay careful attention to all the dimension specifications. By the way, some people do shoot lead bullets in their Glocks, they just follow a few rules. Clean it thoroughly and often--I've heard 100 rounds, 150 rounds, 200 rounds. Glock's rifling tends to scrub off lead and that leads to lead fouling. Any lead bullet should be medium velocities and most people recommend hard cast bullets. You can also order barrels that do not use Glock's style of rifling and do not share Glock's leading problems.
User: Karl Wolf
Could be wrong, but I think that's mostly a liabialty issue! Basicly so when some idiot uses a way overpreassure cartridge and blows the gun up he can't sue!
User: johndeereman
Ammo manufacturers go to great lengths to assure the specs of the ammo they make,e.g. velocity,pressure,case length,etc. You could probably do that too-but the gun manufacturers don't know you,can't verify the safety and quality of your reloads and so on.Will automobile manufactures honor the warranty if you use your homemade motor oil in the engine? Glocks will shoot just about anything you feed them-if your life depends on your Glock then better feed it right.
User: Jon
You answered part of this. Due to the type of rifling you should not shoot lead bullets. The second answer is that some of the chambers are not supported. Every time a case is resized and fired the "web" (the part just above the rim) portion is weakened. After a few reloads on the same brass case it WILL reach a point that the case web will rupture. When that happens it will release all the high pressure gas and cut right through the frame as it is only polymer. This is a very big problem with the 40 cal and 357 sig as it operates at higher pressures than the 9mm and 45. When you shoot a 40 or 357 sig pick up a empty case and roll it on a flat surface and you will see a slight bulge near the bottem. The fix is a simple one, purchase a match barrel that has a supported chamber. These you will be able to shoot reloads through as well as lead bullets as the rifling is cut rifling. Most of the barrels are drop in units that anyone can install. I went with a bar-stol in my competition IPSC gun which is a model 35. It required just a small amount of fitting (note: this was because I bought a over sized unit that required fitting) that I was able to do myself, it is now the most accurate semi auto I have. Good luck and safe shooting.

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