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-   -   KWA M4 ERG (Electric Recoil Gun) (https://airsoftcanada.com/showthread.php?t=129695)

targetGspot December 18th, 2013 16:52

I've got a Bolt, it's pretty awesome. Haven't chrono'd yet but she gotta be pretty close to 420fps and around 20rps on an 11.1. Very tight grouping and strong recoil, fells like most gbbr's. No quick change spring but fully upgradeable/downgradeable. All of my mags feed without issue although a couple are a pretty tight fit. Only negative is the ejection port cover is shit, I'll replace it at some point.

Stealth January 22nd, 2014 15:01

I can't say enough good things about this platform.
Even the hop-up unit is great - holds adjustments and has very positive click-adjustments.

KWA has unveiled the next generation of ERGs will have rear-wiring, similar to the Marui Recoil SOPMOD series. KWA-only trades though.

OnePunch April 20th, 2014 14:41

Just wondering has anyone done any upgrades to the RM4?

GBBR April 20th, 2014 18:23

Quote:

Originally Posted by OnePunch (Post 1884147)
Just wondering has anyone done any upgrades to the RM4?

I have, so has stealth, not much you can do though, barrel, hop up, motor, thats about it

GBBR April 27th, 2014 03:12

Quote:

Originally Posted by Stealth (Post 1861571)
I can't say enough good things about this platform.
Even the hop-up unit is great - holds adjustments and has very positive click-adjustments.

KWA has unveiled the next generation of ERGs will have rear-wiring, similar to the Marui Recoil SOPMOD series. KWA-only trades though.

Ain't nobody got time for dat. I made my own

http://i1349.photobucket.com/albums/...psf09d24fb.jpg

Caelan May 19th, 2014 21:25

I love KWA guns, huge fan have a beast of a sr10 myself, but can the rof be increased at all? 15 rps is low. Im torn between buying the ERG or waiting for the Tippmann M4 coming out in mid summer. Less moving parts and things to break.

Integra-r June 5th, 2014 09:28

Rm4 is an amazing gun!

johnejungle August 31st, 2014 17:33

Quote:

Originally Posted by GBBR (Post 1885571)
Ain't nobody got time for dat. I made my own

http://i1349.photobucket.com/albums/...psf09d24fb.jpg

GBBR that looks great did you ditch the recoil engine in the buffer tube??

Eien October 1st, 2014 01:30

Anyone know what upper receiver threads it use?

dice October 1st, 2014 10:56

Quote:

Originally Posted by Eien (Post 1913489)
Anyone know what upper receiver threads it use?

Standard AEG for rails. Confirmed.

Thomasterry November 27th, 2014 08:05

Electronic recoil Gun is a superior performance and unbeatable reliable gun set KWA. It has the fire power airsoft enthusiast for that has an intense airsoft operation that has an outstanding value.
Features:
It consist features of a full alloy metal upper receiver.
Full metal alloy lower receiver.
Polymer hand-guard, grip and magazine.
Semi/Full automatic.

Comeau-SCS March 7th, 2015 11:04

Hi, I know i'm reviving this but I thought this could be the good place to post this.
I wonder how much FPS people get when they change their springs.
I recently tried to tweak the fps of my pts ERG and I tested a couple of spare springs. One thing that I noticed is that with a light springs (m95) I was getting FPS close to what I expected (a bit more than 300 fps with a cqb barrel). However, the recoil was also pretty less present. When I tried to get the FPS up I noticed that the springs with higher rating (m120 m130) were producing recoil but was getting a lot lower FPS than usual. I'm getting a about 350 fps right now with a 130 spring wich I was usually getting about 420 fps. I just wonder who else tried to change their springs and how much FPS they get. I know spring rating can change but it could give us an idea of what spring to use for 350/400/450 fps.

HeReigns March 7th, 2015 11:34

The ERG's use a Linear spring, while most springs available for sale are non-Linear.(longer springs with closely spaced coils at one end.) If you put a non-linear spring in the ERG it will decrease the felt recoil drastically.

I bought a couple CQB ERGs that were shooting 370fps, I installed an Orga 6.23 widebore inner barrel and it brought my fps down to 348 making it perfect for indoor.

I have also ordered the proper Linear spring right from KWA before, fantastic customer servive and helped me get exactly what I needed.

Comeau-SCS March 7th, 2015 11:38

Thanks, Considering I have only non-linear springs right now this could be an explaination.

OnePunch March 7th, 2015 12:51

I used a m190 in my scout and that got it shooting right around 410fps


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