Resealing WE M4 GBBR Mags (56K hurt)

IIWolfII · February 7th, 2012, 03:50

Hello Zong, thank you for the guide of repairing WE m4 mags. I recently had problems with my M4 Mags. A question, when rescrewing the fill valve back at the bottom of the mag, how much pressure or how far in do you screw it in, I ran into the problem of breaking the top "plate" of my fill valve. I ordered another one and screwed it in lightly. I experienced a leak, I tried screwing it in further and it also broke. Thank you!

z0ng · February 7th, 2012, 15:39

No problem Wolf.

I've never ran into an issue with breaking the end of the fill valve off. What are you using to screw it in? Just a normal screwdriver, a valve key or an improvised device?

I don't have any idea of the torque used when screwing these in, I just give them enough force until I believe they will provide a good seal when gassed up. I find I have more problems with the inner gasket within the fill valve starting to leak and needing to be cleaned than compared with the outer gasket. If you like you can also apply gasket maker to the outer seal on the fill valve if you have problems maintaining a good seal with them.

Make sure if you haven't done so already to check for any debris obstructing the fill valve from sealing correctly. If there's some crud jammed in there it could be interfering with the valve seating correctly and might be the cause of the valve head cracking so easily.

Another thing to check for, sometimes I notice that the gasket maker from the main seal can obstruct the insertion of the fill valve. Check that this hasn't occurred and that there is a clear pathway for the valve to go in unobstructed. You might need to use a small drill bit or a thin spike to puncture the gasket maker if it has covered the fill valve hole over on the inside.

Hope that helps get things working for you there!

IIWolfII · February 9th, 2012, 01:15

Thank you for your reply z0ng! I will try your advice to also put gasket on the fill valve's hole when I finally get another hold of a fill valve. Thank you again!

R.I.T.Z · February 9th, 2012, 01:33

one thing that cant be stressed enough is make sure the sealant is dry before filling the mags.
unless you like cleaning the gunk out of the internals of your gun....

Fuzzy · February 9th, 2012, 02:59

Don't replace the fill valve with a WE fill valve, they are made of butter. I use the madbull steel fill valves. It's much stronger and won't snap off like the WE valves.

IIWolfII · February 24th, 2012, 02:45

Thanks for the advice guys. 1 Question to Fuzzy, I read online that the madbull fill valves don't fit exactly into the WE mag, some modifications were needed. Did u need to modify the Steel Valves to fit into the bottom of the Mag?

Fuzzy · February 24th, 2012, 13:38

Quote:

Originally Posted by IIWolfII

Thanks for the advice guys. 1 Question to Fuzzy, I read online that the madbull fill valves don't fit exactly into the WE mag, some modifications were needed. Did u need to modify the Steel Valves to fit into the bottom of the Mag?

No mods required. Just screw it on. Maybe for the pistol mags, some mods are required but it fits quite nicely in the m4 mags.

m102404 · February 24th, 2012, 13:50

I've simply screwed them on...and they seem ok. Technically they're not fully seated into the recess in the mag (i.e. compared to the stock valve).

I've also used a lathe and turned down the diameter of the head just a bit to have them seat nicely.

Both work nicely although a buddy said the other day that he's not had good luck with the MB valves. I haven't had one fail yet...so dunno.

kraven01 · February 24th, 2012, 16:30

Thanks z0ng that's just what I needed to get my mags back in working order. Oh and just so you know this will also work with KJ Sig P226 magazines too. I'm guessing that as long as you can get the mag apart you'll be able to use this trick to seal them. Thanks again man.

IIWolfII · February 25th, 2012, 06:35

Ah, Thank you Fuzzy and m102404 for ur advises. I'll definitely will try to get mad bull fill valves. I'm quite excited to hear that no mods are required as I don't have a lathe to lower the diameter lol. Thanks again guys!

SHaKaL · February 25th, 2012, 15:43

Anyone know what to use to remove previous application of black (or blue) gasket maker?

z0ng · February 25th, 2012, 15:54

Flat head screwdrivers, wire brush and sometimes a metal file or dental pick. It ain't pretty

Ross · February 25th, 2012, 15:55

Quote:

Originally Posted by SHaKaL

Anyone know what to use to remove previous application of black (or blue) gasket maker?

your fingers

SHaKaL · February 25th, 2012, 16:01

Even for the blue g maker?

Oh last question does black g maker work for kjw kc-02 mags?
Mine are all leaking like hell and i didn't even played a game with it!

jordan7831 · March 2nd, 2012, 23:57

the gasket make should work for all mags as long as you follow the steps!

http://www.airsoftcanada.com/showthread.php?t=88524

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February 7th, 2012, 15:39	#17
z0ng Trader rating Join Date: Jul 2006 Location: Hamilton, ON	No problem Wolf. I've never ran into an issue with breaking the end of the fill valve off. What are you using to screw it in? Just a normal screwdriver, a valve key or an improvised device? I don't have any idea of the torque used when screwing these in, I just give them enough force until I believe they will provide a good seal when gassed up. I find I have more problems with the inner gasket within the fill valve starting to leak and needing to be cleaned than compared with the outer gasket. If you like you can also apply gasket maker to the outer seal on the fill valve if you have problems maintaining a good seal with them. Make sure if you haven't done so already to check for any debris obstructing the fill valve from sealing correctly. If there's some crud jammed in there it could be interfering with the valve seating correctly and might be the cause of the valve head cracking so easily. Another thing to check for, sometimes I notice that the gasket maker from the main seal can obstruct the insertion of the fill valve. Check that this hasn't occurred and that there is a clear pathway for the valve to go in unobstructed. You might need to use a small drill bit or a thin spike to puncture the gasket maker if it has covered the fill valve hole over on the inside. Hope that helps get things working for you there! __________________ Team GHOSTS G-42 How to fix your WE M4 Mags

February 25th, 2012, 15:43	#26
SHaKaL Trader rating Join Date: Jan 2005 Location: Trois-Rivi?res	Anyone know what to use to remove previous application of black (or blue) gasket maker? __________________ HellRanger 1969-2007 LRRP FOREVER 101e 506Pir Fox Company - SHTYK NOZH

February 25th, 2012, 15:54	#27
z0ng Trader rating Join Date: Jul 2006 Location: Hamilton, ON	Flat head screwdrivers, wire brush and sometimes a metal file or dental pick. It ain't pretty __________________ Team GHOSTS G-42 How to fix your WE M4 Mags

February 7th, 2012, 03:50	#16
IIWolfII Trader rating Join Date: Feb 2012	Hello Zong, thank you for the guide of repairing WE m4 mags. I recently had problems with my M4 Mags. A question, when rescrewing the fill valve back at the bottom of the mag, how much pressure or how far in do you screw it in, I ran into the problem of breaking the top "plate" of my fill valve. I ordered another one and screwed it in lightly. I experienced a leak, I tried screwing it in further and it also broke. Thank you!

February 9th, 2012, 01:15	#18
IIWolfII Trader rating Join Date: Feb 2012	Thank you for your reply z0ng! I will try your advice to also put gasket on the fill valve's hole when I finally get another hold of a fill valve. Thank you again!

February 9th, 2012, 01:33	#19
R.I.T.Z Crackers Trader rating Join Date: Mar 2009 Location: The Shwa	one thing that cant be stressed enough is make sure the sealant is dry before filling the mags. unless you like cleaning the gunk out of the internals of your gun....

February 9th, 2012, 02:59	#20
Fuzzy Trader rating Join Date: May 2011	Don't replace the fill valve with a WE fill valve, they are made of butter. I use the madbull steel fill valves. It's much stronger and won't snap off like the WE valves.

February 24th, 2012, 02:45	#21
IIWolfII Trader rating Join Date: Feb 2012	Thanks for the advice guys. 1 Question to Fuzzy, I read online that the madbull fill valves don't fit exactly into the WE mag, some modifications were needed. Did u need to modify the Steel Valves to fit into the bottom of the Mag?

February 24th, 2012, 13:50	#23
m102404 Tys Trader rating Join Date: Apr 2006 Location: Toronto	I've simply screwed them on...and they seem ok. Technically they're not fully seated into the recess in the mag (i.e. compared to the stock valve). I've also used a lathe and turned down the diameter of the head just a bit to have them seat nicely. Both work nicely although a buddy said the other day that he's not had good luck with the MB valves. I haven't had one fail yet...so dunno.

February 24th, 2012, 16:30	#24
kraven01 Trader rating Join Date: Feb 2012	Thanks z0ng that's just what I needed to get my mags back in working order. Oh and just so you know this will also work with KJ Sig P226 magazines too. I'm guessing that as long as you can get the mag apart you'll be able to use this trick to seal them. Thanks again man.

February 25th, 2012, 06:35	#25
IIWolfII Trader rating Join Date: Feb 2012	Ah, Thank you Fuzzy and m102404 for ur advises. I'll definitely will try to get mad bull fill valves. I'm quite excited to hear that no mods are required as I don't have a lathe to lower the diameter lol. Thanks again guys!

February 25th, 2012, 16:01	#29
SHaKaL Trader rating Join Date: Jan 2005 Location: Trois-Rivi?res	Even for the blue g maker? Oh last question does black g maker work for kjw kc-02 mags? Mine are all leaking like hell and i didn't even played a game with it! __________________ HellRanger 1969-2007 LRRP FOREVER 101e 506Pir Fox Company - SHTYK NOZH Last edited by SHaKaL; February 25th, 2012 at 17:19..

March 2nd, 2012, 23:57	#30
jordan7831 will always be Mike Litoris in our hearts Trader rating Join Date: Jul 2004 Location: North York - Toronto	the gasket make should work for all mags as long as you follow the steps! http://www.airsoftcanada.com/showthread.php?t=88524 Last edited by jordan7831; March 2nd, 2012 at 23:59..

Resealing WE M4 GBBR Mags (56K hurt)

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