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Regular LM4 vs Magpul Edition - Differences?


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#1 MultipleParadox

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Posted 27 June 2012 - 05:25 AM

Hi all,

I was just wondering, besides the trademarks and furniture (stock, handguards, etc) is there any differences between both guns, mainly regarding their internals?

Should I expect seeing any of the issues described about the LM4 to happen on the Magpul Edition or is most of them have been corrected, considering the Magpul edition is newer?

Any particular details I should look for?

Also, note that the one I'll be receiving is most probably the international version (I'm from Canada and bought it barely used from another airsofter)

Thanks for the infos

#2 aaps59

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Posted 27 June 2012 - 05:28 AM

The international/Asian LM4 Magpul Edition has many different internal components from the LM4 PTR. This design is actually older than the PTR design and you won't receiver the same type of support that you will with the LM4 PTR.  If you can get your hands on the American PTR, I would do that.

#3 MultipleParadox

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Posted 27 June 2012 - 06:06 AM

That sounds like what I didn't want to hear :P

I bought it already and is going to be (tentatively) shipped to my door today, so there's no turning back anyways.

I thought the LM4 PTR was released before the Magpul Edition, internationally or not O_o

That being said, what kind of difference is there between one another?

#4 aaps59

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Posted 27 June 2012 - 06:16 AM

The international LM4 was released (if I'm correct) in november 2011, while the PTR was released may 2012. One of the main things that took so long with the LM4 PTR, besides getting it to near perfection, was making it ATF legal for import to the US of A. Internal differences may include different bolt, receiver shape may differ in very small ways, magwell/mag may be different, parts may be made out of different materials, whether they be better or worse materials.
There are a few threads on this already, many/most of them have been locked, so hopefully my response has answered any questions you have about your future gun.

#5 aaps59

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Posted 27 June 2012 - 06:18 AM

Specifically, these threads.

http://kwausa.com/fo...?showtopic=7004
http://kwausa.com/fo...?showtopic=7469
http://kwausa.com/fo...?showtopic=7807
http://kwausa.com/fo...?showtopic=7792

And of course
http://kwausa.com/fo...uncement=1&f=43

#6 MultipleParadox

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Posted 27 June 2012 - 07:01 AM

Thanks for the info/links - I saw a few but not hem all, will read a bit more on this
I hope I won't be disappointed O_o then

Sorry for having made yet another thread on the subject - I swear I did search!

I guess this topic can be closed, I wouldn't want to cause issues to KWA or anyone

Edited by MultipleParadox, 27 June 2012 - 07:09 AM.


#7 aaps59

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Posted 27 June 2012 - 07:29 AM

View PostMultipleParadox, on 27 June 2012 - 07:01 AM, said:

Thanks for the info/links - I saw a few but not hem all, will read a bit more on this
I hope I won't be disappointed O_o then

Sorry for having made yet another thread on the subject - I swear I did search!

I guess this topic can be closed, I wouldn't want to cause issues to KWA or anyone

Hey man don't worry about it, threads get lost easily here. I hope you the best of luck with your LM4!

#8 Guest_Allizard_*

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Posted 27 June 2012 - 08:39 AM

Let me clarify ....

ANY MODELS coming to US is the latest model regardless if the gun has already been released over sea or not.  

Magpul PTS M4 under KSC or KWA ASIA version are consider older version and it's NOT ATF Approved.

US Version (ATF Approved) of Magpul LM4 PTS has same internal design with LM4 PTR.  The GBB PMAG is also newer in comparison with Asia version.

#9 BoobieM4H

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Posted 27 June 2012 - 08:44 AM

I should have waited for magpul edition...arggh

Sent from my DROID2

#10 niko_gpsy

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Posted 27 June 2012 - 08:51 AM

I wouldn't mind having a magpul logo'd lower receiver.

#11 MultipleParadox

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Posted 27 June 2012 - 08:52 AM

@Allizard

Yeah that's what I understood

Regardless, the Asian version is fine over here (Canada) so that's not an issue

I was under the impression that the US and Asian version were the "same" with only a few minor modifications on the US version to have it ATF approved.

Inwas not expecting to have an "older" generation with maybe potential issues

Time will tell

Thanks for the clarifications

#12 MultipleParadox

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Posted 27 June 2012 - 08:54 AM

Oh and should I be concerned with Mag conpatibility? (Sorry I can't seem to esit my previous post on tapatalk right now)

#13 gcw360

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Posted 27 June 2012 - 12:08 PM

Agreed...But...KWA is a logo onto itself!

#14 Guest_Allizard_*

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Posted 27 June 2012 - 06:19 PM

View PostMultipleParadox, on 27 June 2012 - 08:52 AM, said:

@Allizard

Yeah that's what I understood

Regardless, the Asian version is fine over here (Canada) so that's not an issue

I was under the impression that the US and Asian version were the "same" with only a few minor modifications on the US version to have it ATF approved.

Inwas not expecting to have an "older" generation with maybe potential issues

Time will tell

Thanks for the clarifications

US version have a lot more steel parts.  Especially with the Steel BCG. :tsuki:   Asia version doesn't have it.

#15 BoobieM4H

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Posted 27 June 2012 - 09:22 PM

View PostAllizard, on 27 June 2012 - 06:19 PM, said:


US version have a lot more steel parts.  Especially with the Steel BCG. :tsuki:   Asia version doesn't have it.

http://shop.ehobbyas...or-m4-gbbr.html

is this a stock factory replacement or a factory "upgrade part"? i thought the ksc came with steel bolt.

#16 greatwatermelon

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Posted 27 June 2012 - 11:11 PM

Someone told me that when KSC came out with their CQB-R GBBR, that it came with a steel bolt. But I'm trying to confirm if it's a fact or if it is a rumor. It's hard to tell nowadays with people somehow mixing up steel with other metal alloys.

Aside from that, all the ones that came before it definitely did not have steel bolts. The steel bolts you showed in the link was offered much later after the release of their M4 and M4 Magpul edition by KSC, as an upgrade part.

#17 MultipleParadox

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Posted 28 June 2012 - 04:16 AM

So I opened mine yesterday after receiving it.

Bolt is all metal indeed, but I'd have a hard time determining if steel or pot metal.

It definitely look like it's reinforces at some key point with steel "inserts". Most of the bolt is non-magnetic (potmetal then?) while the reinforced parts are.

#18 BoobieM4H

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Posted 28 June 2012 - 08:29 AM

View Postgreatwatermelon, on 27 June 2012 - 11:11 PM, said:

Someone told me that when KSC came out with their CQB-R GBBR, that it came with a steel bolt. But I'm trying to confirm if it's a fact or if it is a rumor. It's hard to tell nowadays with people somehow mixing up steel with other metal alloys.

Aside from that, all the ones that came before it definitely did not have steel bolts. The steel bolts you showed in the link was offered much later after the release of their M4 and M4 Magpul edition by KSC, as an upgrade part.

I totally agree with you on the fact that people mix up steel with different metal alloys..I had a little debate on my youtube channel with someone over material used in certain gbbr's..that person is totally misinforming people with his videos..

I was thinkin of buying the ksc steel bolt to replace my LM4 bolt because it has worn out a little where the bolt catch engages (damn angry gun recoil kit!)..or just be patient long enough for KWA to carry replacement bolt..

Sent from my DROID2

#19 kullwarrior

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Posted 28 June 2012 - 08:33 AM

AFAIK There are three "Generations" of System7-2 or NS2 M4
Generation 1: Zinc-Aluminium bolt carrier, trigger group, ball bearing hopup ->KSC M4A1 w/ Colt laser engraved trades
Generation 2:Zinc-Aluminium w/ steel insert on bolt carrier, trigger group, ball bearing hopup ->KWA Magpul M4 Asia
Generation 3: Steel trigger, on bolt carrier and trigger group (except trigger), new hopup design ->KWA LM4, KWA Magpul M4 American

I have no clue about the KSC M4A1 CQBR. I know it has new hopup system.


View PostMultipleParadox, on 28 June 2012 - 04:16 AM, said:

So I opened mine yesterday after receiving it.

Bolt is all metal indeed, but I'd have a hard time determining if steel or pot metal.

It definitely look like it's reinforces at some key point with steel "inserts". Most of the bolt is non-magnetic (potmetal then?) while the reinforced parts are.


You have the gen2 version, The Magpul LM4 in Canada are all Asia version Check the box it will say.

Edited by kullwarrior, 28 June 2012 - 08:35 AM.


#20 MultipleParadox

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Posted 28 June 2012 - 09:32 AM

Yeah it does make sense
Thanks for the details, very informative!

Edited by MultipleParadox, 29 June 2012 - 04:35 AM.





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