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Green Gas And Propane?


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#81 Outlaw1995

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Posted 29 January 2013 - 01:33 PM

I never said green gas doesn't have propane... :P

Green gas just ISN'T propane plus silicon oil. It has other additives.

#82 BeachEMT

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Posted 29 January 2013 - 08:40 PM

What additives it doesn't have is why I use green gas. I can't stand the smell of propane when filling my mags (oddly enough I don't mind it when BBQing). Also I have heard rumors that the odorent can cause issues with the guns. Mostly, it's the former though.

#83 Outlaw1995

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Posted 29 January 2013 - 09:15 PM

View PostBeachEMT, on 29 January 2013 - 08:40 PM, said:

What additives it doesn't have is why I use green gas. I can't stand the smell of propane when filling my mags (oddly enough I don't mind it when BBQing). Also I have heard rumors that the odorent can cause issues with the guns. Mostly, it's the former though.
Although I don't know, we could assume that it may be the odor additive that causes the gun to gunk up... but who knows for sure? Again, I have to stress that it works for some people, for others it doesn't. I stick with my green gas.

#84 BeachEMT

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Posted 29 January 2013 - 10:36 PM

View PostOutlaw1995, on 29 January 2013 - 09:15 PM, said:

Although I don't know, we could assume that it may be the odor additive that causes the gun to gunk up... but who knows for sure? Again, I have to stress that it works for some people, for others it doesn't. I stick with my green gas.
+1. I totally agree.

#85 kwaispro727

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Posted 30 January 2013 - 04:59 AM

Hmm.  I want to try propane now lol.  I used it in my KJW without a problem.  I have a few questions.

1.  Metal adapter, and I going to kill my o-rings?  I have a pack of extra moondog ones just in case.

2.  I have green gas, I'll probably mix it up a little.  As someone else mentioned, should I run the propane dry and store my mags with green gas?

3.  Can you MIX the two?  What if I had a second or two of green gas when first filling my mag and then filling the rest of it with propane?  Theoretically, this should insure that not too much silicone is used and would be the most cost effective.

Edited by kwaispro727, 30 January 2013 - 05:00 AM.


#86 Raptor72

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Posted 30 January 2013 - 05:23 AM

I would not mix the two when filling a single mag, just too complicated.  While I have NEVER used GG in my KWA LM4, KWA Kriss Vector, (2) We SCARS or my We M16, I see no cons to using both GG and propane.  Just use GG every 4 or 5 mag fill.

For the record.  I use propane dry.  I do NOT add silicone to my propane....never have.  I DO clean and lube my firearms and mags often.  Taking great care to lube all o-rings with silicone or frog lube.

#87 kwaispro727

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Posted 30 January 2013 - 05:49 AM

I don't care about the complications.  I just want to make sure the two don't explode or some crazy **** if I mix them lol.  Would anything bad happen if I mixed them?

I'm still wondering about the metal adapter, I've heard good and bad about it.  This is the one I have.
http://www.shortyusa...0&searchstring=

#88 Chuck S

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Posted 30 January 2013 - 06:19 AM

You really think mixing mostly-propane (propane fuel) and mostly-propane (green gas) is going to cause an explosion?!  :)

We can debate, discuss and offer personal "never had any problems" items forever.  The only thing that will ever come out is Green Gas and propane fuel are the same thing other than additives.  It's the additives that may (or may not) make the difference.  KWA, who engineered and makes our gas guns, specifies Green Gas.  It always works.  They feel strongly enough about propane to state its use will void their warranty.  Do as you like.

We go thru this same type discussion constantly with cartridge firing guns as well.  Every manufacturer I know of specifically states to use only new, factory ammunition with brass or nickle plated cases and jacketed bullets.  Needless to say there are zillions of good olde Eastern Bloc steel cased and jacketed cartridges run thru guns every year with few issues.  You pays your money (and you takes your choice).  What's called "kabooms" are always reloads.  Always...

But since I don't have the facilities of a large laboratory I stick with the manufacturer's specs for maintainence, ammo, (and green gas).

-- Chuck

#89 kwaispro727

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Posted 30 January 2013 - 06:57 AM

Well I'll try some propane.  I'm outside of my warranty any way.

#90 akiraspeedstar

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Posted 30 January 2013 - 07:00 AM

I've always run dry and then use silicone for storage, I also silicone on the O-rings before and after each game.

#91 BENboBEN

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Posted 30 January 2013 - 07:25 AM

And do not ever use a metal adapter. Avoid them at all costs. The AI plastic adapter is great. Just dont use the bottle of silicon it comes with on your guns.

#92 Raptor72

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Posted 30 January 2013 - 07:27 AM

Oh boy, here we go...lol.  I have three Madbull metal adapters and have never had an issue.  Its all I have ever used.  Different strokes for different folks.

#93 Outlaw1995

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Posted 30 January 2013 - 07:30 AM

View PostRaptor72, on 30 January 2013 - 07:27 AM, said:

Different strokes for different folks.
Yup, was about to mention that although green gas canisters have metal tips, don't use metal propane adapters at all. With a propane adapter, you need to push extra hard to get the valve to fill correctly, and it can blow out an o ring or damage the valve. You don't need to put a lot of force when filling your KWA gas mags.

Edited by Outlaw1995, 30 January 2013 - 07:31 AM.


#94 akiraspeedstar

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Posted 30 January 2013 - 07:36 AM

My madbull adapter worked great for a couple months then it gave out on me, I now use a AI as well.

#95 dos_Santos

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Posted 30 January 2013 - 08:43 AM

I have run propane in my gun, but love the constant lubrication while using GG.  It's what is specified.  Either way, I am cleaning the gun after every use.

#96 kwaispro727

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Posted 30 January 2013 - 09:05 AM

There are so many variables.  I'm literally throwing my hands up in the air now thinking alright fine I'll stick with green gas.

#97 niko_gpsy

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Posted 30 January 2013 - 09:33 AM

It's not some conspiracy created by KWA to sell more GG when they HIGHLY recommend use of GG with their GBB guns. The fact is that use of GG will not cause damage to your KWA guns whereas propane is always a gamble. Some report problems with propane while others don't but never with GG.
The main component which is of concern when using commercial propane is ethanethiol/ methyl mercaptan which is an additive that is mixed in with commercial propane that gives off that rotten cabbage smell in order to identify gas leaks since propane naturally is an odorless/colorless gas. This additive is along with many possible compounds found in commercially packaged propane has known to react with plastics. This is due to the fact that ethanethiol is also an intermediate compound that is used in manufacture of many forms of plastics. So it can try to revert a solid plastic compound back to its natural liquid state through degradation thus weakening plastics that can later lead to breakage. Also this compound has been known to cause your gun to accumulate gunk that can gum up the gun if not taken care of properly.
Now with that said let me also point out that not all mixtures of commercial propane is the same. Depending on geographical location where its produced they can have varying levels of additives. So someone can report no problems with using propane in Florida but for someone that lives in Washington state may have a totally different result.
So my main point is that use it at your own risk but know that KWA will void your 45 days warranty when they find that you have been using propane. I too wish that commercial propane was a safe cheap alternative to the more expensive GG but this is what we have to work with and it is what it is. I knew when I got into this hobby years ago that it wasn't going to be cheap! :P

#98 kwaispro727

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Posted 30 January 2013 - 10:24 AM

View Postniko_gpsy, on 30 January 2013 - 09:33 AM, said:

I knew when I got into this hobby years ago that it wasn't going to be cheap! :P
Ah how you speak the truth.  I've already dumped 750+ dollars into my KWA guns and stockpile of BBs...  Plus the extras like red dots and grips, accessories kill me.  It all really boils down to the price of green gas vs. the price of propane.  I may as well not cheap out on the gas I run threw them.  Go hard or go home :blinded:  My swimming coach's words ring true more and more often these days.

Edited by kwaispro727, 30 January 2013 - 10:24 AM.


#99 General Pickle

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Posted 20 February 2013 - 12:38 PM

Meh, propane just means you have to clean it more. I think the additives in propane can vary slightly depending on where and at what elevation each brand bottles their propane. I've been using Coleman propane with a Madbull metal adapter in 3 KWA gas guns, no silicone oil, cleaned and lubed after each game, 0 out of 13 mags have leaked, minor parts failures but none of them where due to propane, all of that for over 2 years in temperatures from 20 to 105 degrees. If you feel like maintaining your gun more then propane seems to be the way to go. If you just like to put gas in it and shoot then green gas is the way to go. Personally there's no way green gas will ever be economical for me as the only way to get it is online for $15 per can shipped. $15 just for the gas I need for one day? No thanks, I'll do a little extra cleaning.

#100 SnowboardeR1298

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Posted 02 April 2013 - 07:58 PM

View Postakiraspeedstar, on 30 January 2013 - 07:00 AM, said:

I've always run dry and then use silicone for storage, I also silicone on the O-rings before and after each game.
Where are the O-rings on the gun and how do you avoid using too much silicone? Sorry, just researching and trying to know what I'm getting myself into before I purchase the LM4.




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