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Old 10-07-2010, 09:12 PM
Beran Beran is offline
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Gas consumption fix for WE1911s

This is something I put together on AP.com a while back, and figured I would share here too.

In the last few weeks, I've been learning a lot about the WE Hicapa and 1911 pistols. Among other things that I plan to share soon is a great little fix that improves the performance of the blowback mechanism, and helps a great deal with gas consumption.

Tired of your single-stack WE 1911 running out of gas after 5-10 shots? Here is your answer. I learned this trick from Jesse (shogun), the tech at Airsoft Outlet NW.

What you'll need:


Your single-stack WE 1911 pistol.
1. Small phillips head screwdriver
2. Small flathead screwdriver
3. 5/32 hex/allen wrench. (Its probably a metric size, but I couldn't find my metric tools, and the 5/32 worked.)

You will also need:



Two small #4 lock washers (the screw is the piston head screw... its just there for size comparison, you'll see it later). I like the spring style lock washers, as they are less likely to work loose.

STEP 1


I'm assuming you already know how to field strip the pistol, so there are no detailed photos of it. Remove the magazine, pull the slide stop out the side, remove the slide. Set the frame, magazine and slide stop aside.

STEP 2


Remove the barrel bushing, spring plug/recoil spring/guide rod, and barrel. Set them aside.

STEP 3


Remove the small flathead screw on the rear sight (only on the 1911s with target/tactical sights, the government style 1911s only have the rear hex screw) and the "5/32" hex screw from the rear of the slide. Drop the blowback chamber out the bottom of the slide, being careful not to lose the long spring that goes along the side of it. You should have a collection of parts that looks something like this:



STEP 4


Remember not to lose/forget that spring. It's important. Pull the nozzle/cylinder forward, and then angle it up as shown to remove it from the chamber. Once you flip the chamber upside-down, it will look like this:


STEP 5


See how wobbly your piston head (the silver plug with the black o-ring around it) is? It shouldn't be that loose, and that's the root of your problem. Remove that little phillips screw from the front of the piston head. Hey! Its our old friend the piston head screw! We remember him from earlier, don't we?

STEP 6


Put your two washers around the screw, and then put the screw back into the piston head and reattach it to the piston (there's a depression in the piston head that they should fit into with no problem). It's important that the spacers (washers) are BETWEEN the head of the screw and the piston. Adding them to the back will move the piston head forward, and reduce the size of your gas chamber. It wouldn't hurt to add a little loc-tite on there to hold it in as well.

STEP 7
Reassemble your pistol. Just do it all in reverse, more or less. I didn't take pictures for this because you should be able to figure it out.


I've done this or had Jesse do this on five of my pistols now. All of them have shown dramatic improvements in blowback and gas consumption. It works on both 1911s and Hicapas, but I have seen some Hicapas with a nylon spacer already installed. Give it a try and let us all know if it works for you, and if you have any questions, post them here.

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Old 10-08-2010, 05:19 AM
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thank you for the tip!
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Old 10-08-2010, 10:19 AM
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Nice step by step!!
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Old 03-20-2011, 07:55 PM
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Thanks for posting this. I have been dealing with my WE 1911 being a gas hog for some time now.
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Old 03-20-2011, 08:30 PM
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nice. will look right into this one.
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Old 03-20-2011, 09:50 PM
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I vote for sticky. Anyone else?
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Old 03-20-2011, 10:01 PM
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Yes.

I'll also be adding another fix later this week (hopefully). I just the 1911 from a friend...
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Old 03-21-2011, 11:59 AM
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Yeah, I had forgotten about this mod and it was really well done/easy to do. I vote STICKY.
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Old 03-21-2011, 12:15 PM
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This may be a dumb question, but will this work for Socom Gear MEU's as well? Mine is quite the gas hog.
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Old 03-21-2011, 12:36 PM
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Yes. SG and WE are basically the same company.

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Old 03-21-2011, 05:03 PM
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Quote:
Originally Posted by 79stang View Post
Yeah, I had forgotten about this mod and it was really well done/easy to do. I vote STICKY.
I stuck it last night, damn it!
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Old 03-21-2011, 06:18 PM
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Red, the only reason I didnt know this is because of how Super Hi Speed you are.
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Old 03-27-2011, 10:32 PM
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Ok so I found another issue with the WE 1911 series.

WE manufactures the little 'nub' on the piston that goes through the piston head to be too tall.



This cause that little nub to protrude through the hold in the piston head so that it does not sit flush with the indentation for the screw like so (pics were take on a piston that was already modded):



This makes it so that no matter how tight you get the piston head screw, the head will always be loose, even with the other mod up there ^^^. All you have to do is file that nub down until it sits flush, or just a bit below, the indentation in the piston head. Then you'll be able to tighten the piston head down properly, no wobble!

If the mod listed above ^^^ does not work, try what I explained.

Hope this helps,
Italian
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Old 03-27-2011, 11:59 PM
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That mod worked perfectly for my WE 5.1 Hi-capa Government Model. I counted around 40 shots on one charge of gas as apposed to like 20-25 before hand.
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Old 11-12-2011, 09:59 PM
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I ended up having to use #3 lock washers instead of #4 washers, is there a difference between models?
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