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PTS MKM AR15 Pmags


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#1 Bob Branagan

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Posted 18 April 2014 - 07:36 AM

Hi guys.

Great forum by the way ;)

Just got myself the the new PTS Mega Arms mkm AR15 :D
But i am having problems with the Kwa Pmags for it :(
the mag that comes with it works a treat,emptys a full mag then the bolt locks back.
The Kwa Pmags however do not :(
After every second round the bolt locks back thinking the mag is empty???
Am i the only one having this problem?
and does anybody have a fix if i am not?

Also is this compatable with it?
RA-Tech Complete Hop Up & Inner Barrel Set for KWA M4 GBB

Please be gentle with me as this is my first post.
Thanks in advance for any help you may pass my way.

I have narrowed it down to 3 of my pmags now.
cant see any difference in them at all :(

Edited by Bob Branagan, 18 April 2014 - 08:47 AM.


#2 Chuck S

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Posted 18 April 2014 - 11:15 AM

Since this gun is not made by KWA there may be issues with using KWA magazines despite claims they'll work.  If the bolt stop is free to flop around the gun's recoil can jiggle it into engagement.  There should be a spring holding it down, the follower doesn't get high enough until the magazine is empty.

-- Chuck

#3 BoobieM4H

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Posted 18 April 2014 - 03:17 PM

My experience with lm4 and pmags is the pmag tends to sit a little bit higher in the magwell, and pushes up on the bolt catch slightly,  even if there are bbs still left in the mag. Might be the cause in the mkm. I personally have gotten rid of any pmags I owned and have just the stanag mags. You may have to tweak the bolt catch a little, and run exclusively pmags. Cause after tweaking, then the regular mag you have will not lock the bolt after last round.

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#4 Salah Ad-Din

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Posted 18 April 2014 - 05:31 PM

Check this thread: http://kwausa.com/fo...S-Mega-Arms-MKM

Jeff has apparently solved the issue, I've had partial luck following his directions.




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