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Removing Delta Ring Km4


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#1 fursquare

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Posted 02 February 2012 - 01:44 PM

Sup guys, I am going to install a Madbull MK112 ris on my KM4 (2gx).  Looking up on google and forums and stuff, I saw that I need an armorer's wrench to remove my delta ring.  Other sites also suggest that I am going to have heat up the delta ring cuz its glued in or something?  Are there any videos online that I can follow that show the removal of the delta ring?  I am not interested in the SR series delta ring.  I need a Km4 tutorial

Thanks guys

#2 niko_gpsy

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Posted 02 February 2012 - 06:12 PM

The delta ring is secured by loctite from factory so you will need a heat gun to soften the compound in order to loosen the ring.  You just need to apply the heat all around the ring for few minutes (may require more time).  And a blow dryer will not generate enough heat to accomplish this.

#3 fursquare

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Posted 03 February 2012 - 12:15 AM

Ok thanks for the help

#4 vanevery

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Posted 03 February 2012 - 01:11 PM

Remember to remove your inner barrel before applying heat.

#5 niko_gpsy

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Posted 03 February 2012 - 01:34 PM

View Postvanevery, on 03 February 2012 - 01:11 PM, said:

Remember to remove your inner barrel before applying heat.
Good point.

#6 fursquare

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Posted 04 February 2012 - 09:54 AM

View Postniko_gpsy, on 03 February 2012 - 01:34 PM, said:

Good point.

Thanks for the reminder, I was just about to ask that question too. :innocent:

#7 aZtec

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Posted 04 February 2012 - 09:58 AM

Ok so that's probably the reason why my RIS had literally no wobble when I got the gun and now has the well known lower-rail-wobble!?
(which is not too much of an issue for me).

From friends of mine I hear that Systemas Delta Ring has such a strong spring that it sometimes takes 2 persons to get out the RIS. :blinded:
Any way of getting a stronger spring into there and does one of you know which ones fit?

#8 gcw360

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Posted 04 February 2012 - 10:24 PM

Just get a real steel delta ring spring and install it into the delta ring assembly.  Just be sure you buy a delta ring fore-grip removal tool so that you don't need two team mates to remove the RIS.  In reality to tighten the RIS you can simply adjust the screw on the top of the RIS at the front.

#9 aZtec

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Posted 05 February 2012 - 09:15 AM

Thanks gcw! I have the screw tightened pretty much but I think it only fixes the upper half, while the lower half is simply pushed against the upper half by the delta ring. I heard that even on real ARs Loctite is sometimes used to fix this.
Does this mean putting a  drop of loctite on the lower rail where it contacts the upper rail or simply on the delta ring, which you push against the rail before the loctite hardens?

#10 gcw360

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Posted 05 February 2012 - 10:14 AM

Not sure how Loctite would help the rail unless is being put on the barrel nut to avoid rotation.

#11 aZtec

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Posted 05 February 2012 - 10:26 AM

The thing is that the upper half is really solid and doesn't have any noticeable movement but the lower part doesn't sit completely tight in the upper. If the delta ring would push harder against the rail, the lower would sit more firmly I belief, with a drop of loctite to the right spot possibly making it permanent.

#12 fursquare

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Posted 13 February 2012 - 04:36 PM

Didnt feel like making a new thread, so i thought i would repost in this one.  I was wondering, if i use the heat gun after removing the inner barrel, would the wires and stuff be safe from the heat? I dont want to like melt my wires or damage them.

#13 gcw360

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Posted 13 February 2012 - 07:20 PM

I would remove the gearbox and thus the wiring before working on the upper receiver if you are applying heat....but that's me.

#14 fursquare

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Posted 14 February 2012 - 12:34 PM

ok then i will do just that.  thanks gcw

#15 fursquare

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Posted 16 February 2012 - 06:13 PM

Lol, I have another question. Are there any alternatives to using a heat gun? I realize blow dryers and stuff wont work or do I have to get a heat gun..

#16 gcw360

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Posted 16 February 2012 - 06:44 PM

Heat gun is the way to go...

#17 niko_gpsy

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Posted 17 February 2012 - 05:31 AM

You can try boiling it but imagine how silly that will look...................................:)

#18 Trent_Hori

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Posted 07 June 2014 - 06:46 PM

Does Kwa Loctite the delta rings on their m4 cqr too?

#19 gcw360

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Posted 07 June 2014 - 08:10 PM

View PostTrent_Hori, on 07 June 2014 - 06:46 PM, said:

Does Kwa Loctite the delta rings on their m4 cqr too?
In most cases, yes.




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