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WE Gas Blow Back M4A1 Carbine


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Heres my latest custom job, a WE GBBR version of a Colt Slab Sides Carbine. If anyone knows a pla ce that could machine me a proper outer barrel, I would like to get in contact with them and have a pr

Heres my custom WE M733. I have a modified RS Bushmaster upper receiver as well as RS buffer tube, castle nut, stock, stock plate, pistol grip, front grips, front sight, and some various other small b

Hehehe, Im with you Hwagan. I dumped my LM4 like a bad habit a few months ago and switched back to the WE platform. Used the extra money to get myself a trademarked M16, slapped a RS A2 upper receiver

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  • 3 weeks later...

Sorry to ask if this has already been covered, but which Magpul UBR stock fits the WE M4A1/HK416 without modification?

 

I've been reading through pages of info on this site and can't find a definitive answer.

 

Does the PTS version fit without modification?

 

Do I need the RS version?

 

I can't get a straight answer out of the dealers so I've come to the experts!!

 

Thanks

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Can't say anything about the RS one cause i never tried one ( too darn expensive around here ) but it *should* fit without any mods. The PTS on the other hand DOES need fitting, can't remember what i exactly had to do but it wasn't something simple to do.

In the end i got the Element copy of it and i only had to file somethings to fit it, they aren't that great in QC/specs so each unit will have to be filled accordingly.

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I have fitted the PTS and the ELEMENT UBR and the ELEMENT takes less work but needs ekstra parts (screws are short and long) the PTS one needs a lot of work on the threads of the buffer tube, and on both you need to cut down the rubber spacer under the buffer spring, all in all a rather big project, 4-5 houres.

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  • 2 weeks later...

to we m4 gurus:

 

my full auto sear seems to have a problem. when the hammer is pulled back, it catches the full auto sear. i have to switch to semi auto then the hammer would release.

 

any ideas?

 

I don't have a WE, but I did have a kjw m4 that was having the same problem. My problem was caused by a foreign object that lodged itself under the sear/selector. An oring blew off my nozzle and landed under there, perhaps that could be your problem to.

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Can anyone tell me how to remove the black assembley so i can fit the NPAS kit. All the tutorials are for SCARs and i don't have a clue how to remove the peice as it appears stuck fast. It's the bit that the valve and its pipe go into that is secured into the bolt carrier with a big screw at the back. Cheers.

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  • 4 weeks later...

Hi, sorry but I don't have the time to read through 340+ pages and I was wondering if the magpul PTS CTR and magpul PTS MOE grip will fit on the WE m4 well?

 

The PTS CTR will fit just fine but the MOE grip for GBB's will have to be modded, they are made for the WA platform and as such they don't come with the hole for the selector detent spring ( like the RS one ), the "space" is there but you'll need to drill the hole yourself ;)

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The PTS CTR will fit just fine but the MOE grip for GBB's will have to be modded, they are made for the WA platform and as such they don't come with the hole for the selector detent spring ( like the RS one ), the "space" is there but you'll need to drill the hole yourself ;)

 

Sorry I didn't mean the moe grip, I meant the handguard.

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Can anyone tell me how to remove the black assembley so i can fit the NPAS kit. All the tutorials are for SCARs and i don't have a clue how to remove the peice as it appears stuck fast. It's the bit that the valve and its pipe go into that is secured into the bolt carrier with a big screw at the back. Cheers.

 

This website should point you in the right direction dude: http://wem4guide.wikidot.com/

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some new pics emerged on irc yesterday;

 

IMG_4451.jpg

 

http://ninja.konstipation.com/2011arn/IMG_4442.jpg

http://ninja.konstipation.com/2011arn/IMG_4443.jpg

http://ninja.konstipation.com/2011arn/IMG_4445.jpg

http://ninja.konstipation.com/2011arn/IMG_4449.jpg

 

 

Can it finally be? Can we actually expect a "open bolt"-system to our M4's this year?

Can't *fruitcage* understand why they keep showing all their existing customers the finger :/

 

Give proper hopup now! ;P

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Not sure if it has been addressed before but will the new bolt system be compatible with the 'closed' bolt magazines? Wow, if this proves to be as reliable as the G39 bolt system seems to be, I might be able to finally reliably use my WE M4 for skirmishing...

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Conversion kits for the original mags were made available a long time ago, in order to fit "open bolt" PDWs. It's about time they threw their original GBBR customers a break.

 

 

I completely agree with you, but you have to look at this from a company's point of view.

How many people will buy such a conversion kit?

What if everyone had one?

Then what?

WE keeps producing open bolts anyway so no need to keep on manufactoring them.

WE won't make as much of a profit of selling converion kits as they would by just producing open bolt platforms.

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