Yes, thanks, this seems to be my issue. If i don't make any mods, the issue will worsen?

To clarify the above bit, I soaked the seals out of the box because they seemed a bit dry and I think the mags had been empty for a long time and I detected some leaking. I found the seals on the insides of my WE mags to be pretty damned impressive, big fat and juicy seals compared to my TM seals.

I did the seal soaking on Glock, 1911, and Hi-Capa mags by WE. They're holding up well.

Gee I wish I knew this before I bought 4 TM extended mags for my 18c >.>

Also wish I knew about the guarder nozzle thing

About the mags, For my KJW G27 as first spare I bought a Marui G265 mag; made much better with satin finish and metal base plate (kjw is plastic), differences in filling, KJW is very silent and need a little of practice to know when it is full, Marui leack a bit of gas during filling but it is easy to know when i full filled.
one thing I don't like about the Marui is the upper lip, very tight, it is impossible to remove bb's with finger as I do with the KJW

One issue I have with Marui mag is that sometime after inserted doesn't shot; I pull the trigger but probably the valve knocker dosn't hit the mag valve.
Anyone know the solution to this issue? I read that is necessary to file the plastic square under the lip

AIP Aluminum Hop-up Base
 

Anyone has tried this? http://www.get-reload.com/aip-alumin...es-p-1447.html

If no too much fitting is required it is much lighter than the stock one and this should help the cycling action

Searched for a while but couldn't find a straight up answer, so I'll just ask here real quick...

Is it possible to use the spring guide rod from a KSC-based Glock in a TM-based one?

EDIT: To clarify, I mean the recoil spring guide rod.

This is alright. I've tried this before. It wasn't quite as drop in friendly as some users have reported. I had to modify my slide lock slightly to get it to sit properly.

The action is not really increased with this thing installed though. It's all about the slide to outer barrel action that makes the action more fluent.

Not quite sure if it will work. I've never tried swapping the two. I tried just the springs.
THe main difference in the two is the spring stoppper thingy at the end. The KSC Version has a flatbed while the Marui one has a more pointed top. Plus I think that the Marui is slightly thicker. I dunno I have to check tonight to see...

It may work if your slide doesn't have the slide spacer installed....

e-luder can you help me for this issue?

In my KJW G27 the stock mag works well but the Marui one sometime after inserted doesn't shot; I pull the trigger but probably the valve knocker dosn't hit the mag valve.
It works properly only inserting it with strenght. I think may be the upper seal a little too thick than the KJW one. Have you experiences a similar problem?

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It only works if the mag is "slammed" in there? That is, the Marui mag is inserted with a lot of force?

There is only two POSSIBLE causes for why that magazine isn't working properly.

1). The magazine catch is not compatible with the Marui mag and can't seat the Marui mag properly.

2). The valve knocker (the firing pin) does not have enough clearance to hit the MARUI magazine blowoff valve efficiently, resulting in the symptoms you've described. This is caused by the difference in height that Marui mag has VS the KJW mag. In this case, the Marui mag Valve probably sits higher than the KJW mag valve. Thus, the strike face of the firing pin can't make the proper contact point on the Marui system. It probably slips around valve or something.

3). The hammer spring is not strong enough. This not a likely conclusion but it may help point you on where to look.

It could be a possibility that both are happening at the same time. But since you say that the magazine is works only when you apply force during insertion, I would assume that the magazine catch is not seating the magazine properly.

I don't have the gun in front of me to see what's going with it. So I could be wrong entirely which is why I won't recommend a fix for you. Inspect your gun first....

I have ordered many upgrades for my pistol and one of this is the Guarder steel magazine catch, I hope this solve the issue

Sorry I got the two terms mixed up. On isoceles, I use the "straight thumb" grip:

http://www.handgunsmag.com/files/201...tg_100206d.jpg

This allows me to clear the slide catch better because the weak thumb is off the catch completely. On bladed stance I go thumb over thumb to compensate for the bended elbow.

http://t2.gstatic.com/images?q=tbn:A...8OciEv3lgI3jdt

There is a trick that I use wherein I use the curvature of the thumb over the slide catch to allow if full clearance. But then again, this is only for my preference.

In general though, I prefer the straight thumb method as it allows me better control.

Same grip with the strong one or two handed, both thumbs forward. Going to the i-grip I moved my weak thumb back a bit.

I need to shoot a lot more in the i to fine tune where my hand is and make 2 thumbs forward work for that. Also I have to put on gloves since I am usually wearing those too.

Morale of the story at least related to all things Glock is I don't know if I need an extended slide release yet.

Have you tried something like this?
http://www.gripforceproducts.com/ima..._6a4c_zagh.jpg

It'll move the grip tang a tad lower and force you to have a lower grip registration. Theoretically, your thumb placement should be just below the slide catch with this installed.

The problem is, depending on the comfort level of your trigger pull (ie. HOW you pull the trigger or "squeeze" the trigger) the placement of your finger on the trigger may be altered out of its comfort zone.

If you're having trouble with an ungloved hands with the stock slide catch, then it may be wise for you to stay off the extended slide catch. The GunsModify can catch very easily on a really thick glove.

I had a thumb rest before I put the HK3 frame on. It won't fit with the extra backstrap.

I kind of like the slim feel with it off but I might grind it out and see.

So how about that tutorial? Ive been dying to do this to my glock.