Hey guys and gals..anyone had this happen? I load up my g20sf with some warm power pistol loads and (habit) I always remove the magazine before I fire..the spent brass is coming down the magwell. And is somewhat damaged. This was close to the original buffalo bore load 180gr..I use a 3yr old 22lb stainless ismi spring and guide rod. Storm lake 6.2in barrel . should note that lite loads work good..

Sounds like the extractor works just fine... But the standing ejector may be bent.

It works fine with a mag in place?

CW

While you didn't mention the exact load, it's possible that the pressure is still holding the brass against the chamber walls while extraction is trying to start?
It 's hard to say exactly what's going on, but I would check the gun over, give it a thorough cleaning, to include the extractor, inspect it for wear chips, the spring and plunger rod for it, the machined area it sits in for any debris.
Is the extractor showing signs of slippage on the case extractor rim?  What type of damage are you seeing? and where on the casing?

As mentioned the ejector needs to be examined for damage or wear as well.

The 22lb stainless ismi spring and guide rod are a captive assembly, how tightly does it hold?  I use a non captive RSA from Wolff for mine and it has shown to apply more spring tension (measured) at full battery lockup.


http://glockparts.com/Content.aspx?PAGE=Glock+Disassembly

It started with my power pistol load work up with a 180gr acme lng...10.0gr of power pistol..1.255 col...I can't test it and been busy..I'm trying to get a chance and try out some underwood 180's to narrow it down..question is this..is over running the normal ejection process and popping out the magwell a sign of over pressure? Or does this occur with the mag out sometimes? The brass is unusable do a crease on the top..the lee resizer won't fix it. I'll chime in when I get the chance to try it again..this time with mag in and 9.6gr for some reason I think the load is hot and my recoil spring too weak...timing issue. .first time with power pistol and I like the accuracy I'm seeing

Post a picture of the brass it may show something that could lead to solution.
I sent you a PM with some info, the DPM RSA may work out, but the Wolff Gun Springs non captive RSA makes for quick changes and putting things back when done...let me know what you find out...

(I would hope you know this but humor me)
The reason for the heavier recoil spring is to slow/cushion the slide velocity with higher pressure/velocity rounds are used... Lessen the battery of the frame...  Now different burn rates will change allot minutely. Most completely unseen as its a locked breech pistol. Hotter loads will usually result of farther or at the very least higher velocity brass ejection. Knowing its locked breech its doubtful its bypassing the ejector... possible but unlikely.

Just throwing this out there... is the ejector spring, depressor plunger and spring loaded bearing all in place and in correct positioning?  is it dirty?

As I mentioned above, look at the standing ejector too.

CW

Quote from: sean on May 10 2015 11:33:28 AM MDT
I always remove the magazine before I fire..the spent brass is coming down the magwell.

To my understanding, this is normal without a mag in.  If you would, answer CW's question of does it work fine with a mag in place?  Why do you remove the mag before firing, what am I missing?

Presence or absence of a magazine should not alter the extract/eject sequence in my experience, unless something else is not right.  The slide is still depressing the next round at the point the extracted round hits the ejector.

Pics would help.  When I had similar issues with my 1911, the extractor was not holding the round sufficiently.  Added a bit more tension to it and all was good.