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tr6r	04-02-2016 05:47 PM

Luger problems ?

The problem mostly occurs on the last round. The empty flips 180* and gets stuck between the toggle and barrel,it often fails to hold open on the last round.

I think I have changed every spring in it, I use a metgar mag and WWB 115gr.
It's like it needs ammo that is a tad hotter?

Any opinions?

DonVoigt

04-02-2016 07:04 PM

That could be tough to figure out.

I would first replace the extractor spring.

May be know your name(first) and location?

tr6r	04-02-2016 07:27 PM

The name is Jim and I'm in Miami...

I'm not positive but I think I did replace the extractor spring (wolf spring kit)

4 Scale

04-02-2016 07:37 PM

I would suspect magazine first. And, possibly the mainspring is a bit too strong.

A few questions to help diagnose:

1. What magazine are you using, original or aftermarket?

2. Does it always fail to hold-open on last round?

3. You mention the problem occurs mostly on last round, suggesting intermittent malfunctions before last round. Can you describe those other malfunctions and their frequency?

4. Did you replace the mainspring or magazine spring? Just asking; too soon to know if replacement is necessary.

Sorry for so many questions - but in my experience the details matter to determining cause/correction.

rhuff

04-02-2016 07:40 PM

You can certainly try other ammo i.e. PMC 115-124gr FMJ, S&B 115-124gr FMJ, and others. I would avoid the NATO and +P +P+ ammo. I own one Luger that will do that very thing of ejection on the last round.... but not the failure to lock back phenomen. It doesn't do it every time, but on occasion. I still don't know exactly why it does it......maybe just to irritate me!! :banghead:

On firing the last round in the mag, there are no more cartridges that are aiding in the ejection process of the spent round. The follower alone is not as effective as a loaded cartridge under the stiff mag spring pressure pushing upward.

DonVoigt

04-02-2016 09:45 PM

Does it hold open reliably on an empty magazine when retracted by hand?

I have found some of the newer Mecgar mags do not raise the hold open reliably.

By all means, beg-borrow-or buy another mag to try/use.

tr6r	04-03-2016 08:53 AM

Quote:

Originally Posted by 4 Scale (Post 286394)

I would suspect magazine first. And, possibly the mainspring is a bit too strong.

A few questions to help diagnose:

1. What magazine are you using, original or aftermarket? Metgar

2. Does it always fail to hold-open on last round? No

3. You mention the problem occurs mostly on last round, suggesting intermittent malfunctions before last round. Can you describe those other malfunctions and their frequency? Every two or three mags

4. What ammo are you using? Winchester white box 115gr

5. Did you replace the mainspring or magazine spring? Just asking; too soon to know if replacement is necessary. Yes

Sorry for so many questions - but in my experience the details matter to determining cause/correction.

I don't mind the questions they help

alanint

04-03-2016 10:46 AM

Also, look at your magazine release. a worn release will make the magazine sit lower, leading to these kind of problems. Remove the release and make sure that the ledge that supports the magazine opening are crisp and even.

tr6r	04-03-2016 12:08 PM

Quote:

Originally Posted by alanint (Post 286411)

The mag doses sit a little low, I'm starting to suspect the mag release also. I can see some wear signs on it.

alanint

04-03-2016 03:12 PM

Take your gun to the range and fire it while placing upward pressure on the magazine base. If this tends to alleviate the problem, the release may be the culprit.

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