BROKEN Hold Open Latch

[alanint]

Also, many loadings of Geco Ammunition are for submachineguns, and would not be appropriate or safe in the Luger.

[DonVoigt]

Originally Posted by alanint

Also, many loadings of Geco Ammunition are for submachineguns, and would not be appropriate or safe in the Luger.

I only see GECO ammo occasionally,
do you have a list of loadings?

[deltafox]

Originally Posted by DonVoigt

I only see GECO ammo occasionally,
do you have a list of loadings?

This is a photo of the Geco 124gr I used and these must be their specifications:

Caliber: 9mm
Weight: 124 Grain
Bullet Style: Full Metal Jacket
Casing: Brass
Muzzle Velocity: 1181 fps
Muzzle Energy: 281 ft. lbs

[alanint]

Originally Posted by DonVoigt

I only see GECO ammo occasionally,
do you have a list of loadings?

Here's a global 9mm ammunition chart for most brands out there.

http://www.ballistics101.com/9mm.php

[kurusu]

Originally Posted by DonVoigt

Wow! 4 in 20 years; that is one every five years and in a real shooting environment.

I probably lose one every five years; seems I lose or "misplace" a part every day-though sometimes I find it later in the strangest places.

Seriously, every thing breaks sooner or later; however, I don't see the "power" of the round having any real effect on the hold open.

Mind that none of them were mine. It happened to different people throughout those years.

And yes, nothing lasts forever if it's being used. Don't believe the holdopen breakage is ammo related. It simply gets slammed every time the magazine is empty. That's 14 times in one single match.

[DonVoigt]

Deltafox,
I have seen that one and have a box or two.
Alanint,
Thanks for the list- great to have.
Is Geco there under another name? Found it- under RUAG.
None shown are particulary "hot".
kurusu,
That is more shooting than most lugers will see in their lifetime in a collectors hands; and is what I meant by "real shooting environment".

[rhuff]

The Geco ammo specs are pretty much the same as the PMC that I use, and I don't consider it over powdered for a Luger.

[kurusu]

Originally Posted by deltafox

This is a photo of the Geco 124gr I used and these must be their specifications:

Caliber: 9mm
Weight: 124 Grain
Bullet Style: Full Metal Jacket
Casing: Brass
Muzzle Velocity: 1181 fps
Muzzle Energy: 281 ft. lbs

Yes, it's the same I used.

That velocity seems a tad on the high side for a 124 grain bullet.

When I shot them they didn't feel that hot.

Didn't use much of them cause I had to aim real low on the target to get on the x ring and it didn't work well for me.

Maybe it was a good thing.

Anyway I prefer 115 grain ammo if I can get it. Had good results a few years back with Winchester. But the last lot I bought proved disapointing.

But since my oftalmologist said I'm developing cataracts maybe the problem is with me.

[kurusu]

Originally Posted by DonVoigt

Deltafox,
I have seen that one and have a box or two.
Alanint,
Thanks for the list- great to have.
Is Geco there under another name? Found it- under RUAG.
None shown are particulary "hot".
kurusu,
That is more shooting than most lugers will see in their lifetime in a collectors hands; and is what I meant by "real shooting environment".

RUAG is a large Swiss company that produces, among other things, ammo under the names GECO; RWS; Rotweil and Norma.

[deltafox]

Originally Posted by deltafox

This is a photo of the Geco 124gr I used and these must be their specifications:

Caliber: 9mm
Weight: 124 Grain
Bullet Style: Full Metal Jacket
Casing: Brass
Muzzle Velocity: 1181 fps
Muzzle Energy: 281 ft. lbs

If that 9mm chart is correct and Geco is the same and made by RUAG then the info above isn't correct, the Muzzle Energy is not 281 ft.lb but much more: 382 ft.lb

[DonVoigt]

Originally Posted by kurusu

Yes, it's the same I used

But since my oftalmologist said I'm developing cataracts maybe the problem is with me.

Well, that is one thing "they" can fix now. I've had both eyes done in the last 18months, and for the first time in years I can see both the sights and target clearly!

Though that does mean no more excuses for me.

[deltafox]

I ordered some Winchester 115 gr to replace my Geco 124 gr but for what I saw in that chart, only the weight of the bullet change, the energy and the velocity are almost the same.

Do you think that with these Winchester 115gr my P08 is more protected to break again or must I use another brand?

thanks

[kurusu]

Originally Posted by deltafox

I ordered some Winchester 115 gr to replace my Geco 124 gr but for what I saw in that chart, only the weight of the bullet change, the energy and the velocity are almost the same.

Do you think that with these Winchester 115gr my P08 is more protected to break again or must I use another brand?

thanks

The lighter bullet will develop less pressure for the same velocity.

The INDEP ammo was around 1350 fps for a 115 grain bullet. And I shot plenty of it in my Luger.

Charts values are all very well but...

One important thing. 1930s Mauser made Lugers have stronger recoil springs than the ones from WWI, the ammo was increased in power in the meanwhile.

For your last question. We are using 75 year old plus guns. No one can tell for sure what they went through all those years. So, no guaranties whatsoever.

[kurusu]

Originally Posted by DonVoigt

Well, that is one thing "they" can fix now.

I know, but I'm at an early stage. Any action now would be premature. The Doc said "Come back the end of next year (this year) to see how it's evolving.


PS. My 84 year old mother is almost as blind as a bat but refuses to have cirurgy (she is afraid because she is also diabetic).

[DonVoigt]

Originally Posted by kurusu

I know, but I'm at an early stage. Any action now would be premature. The Doc said "Come back the end of next year (this year) to see how it's evolving.


PS. My 84 year old mother is almost as blind as a bat but refuses to have cirurgy (she is afraid because she is also diabetic).

I can understand both of those situations for sure.

[Mike B]

The same thing happened to me. Sheared the top of the hold open. Tom had one and the same number.

Mike