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KWA LM4 PMAG vs Normal Mag

kwa lm4 lm4 magazines mags pmag vs

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#1 FlubberDucky

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Posted 10 September 2012 - 05:38 PM

Hey i have had this question ever since i bought my lm4. Which mag is better? the pmag or the standard mag? I only have the normal mags and i can tell you that my spare mags leak a ton. I would like to know if the pmags are better and if so is that why they cost so much? And if not then why are they so expensive?

#2 Jakeedaman21

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Posted 10 September 2012 - 06:38 PM

Your mags leaking has nothing to do with whether it is a PMAG or a STANAG. Regardless you need to disassemble your magazines and completely lubricate the o rings in 100% silicone, even soak them in it overnight.

The PMAG is heavier than the STANAG, and you are most likely paying for royalties to Magpul for KWA to use their design/style. I prefer the PMAG only because I like the feel of the polymer, other wise either will work just as well for the LM4.

#3 akiraspeedstar

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Posted 10 September 2012 - 07:59 PM

STANAG
PROS: Lighter, holds 2 more BBs, cheaper.
CONS: Depending on taste, may not look as cool.

PMAG:
PROS: Looks sick, may possibly be more durable (not confirmed),
CONS: Costs more, holds 2 less BBs, and weighs more then the STANAG.

They both leak from time to time and require some care, but when they don't leak both perform really well. The added weight and reduced capacity pushed me to the STANAG magazines. Those 2BBs may one day save your (Airsoft) life, do you want to risk that just to look cool? Haha

#4 dos_Santos

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Posted 10 September 2012 - 08:42 PM

I chose PMAG's because of their material.  I believe, especially with the Ranger plates, that they can take a bit more external beating.  They do weigh in at 1.65 lbs. with the plates installed, but it forced me to rethink how I want my load-out and weight distributed.  Internally they are the same.  I happened to get a great team discount that made them the same price as the STANAG's, so that's what I went with.

And maybe it's nitpicky, but the PMAG's won't scratch the crap out of my LM4 when it's just hanging by the sling and resting across the front of my plate carrier.

#5 Chuck S

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Posted 11 September 2012 - 06:08 AM

The PMags suck!  How's that for an opinion up front?  :)  I have a pair as well as three standard magazines.

LM4 magazines were in such short supply this summer I had to get a pair of the PMags.  Sorry I did.  Will swap 'em for the regular mags as soon as I can.

The extra thick PMag base plates make them difficult to charge with gas and spew gas everywhere while filling, even with the baseplates removed or pushed to the side  The aluminum mags charge quietly and effectively with none if these problems.  I ain't drinking the MagPul kool aid with their 5.56mm magazines either ;) although the dozen I have work perfectly -- but so to my USGI magazines.

-- Chuck

#6 BoobieM4H

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Posted 11 September 2012 - 07:01 AM

Is the tiny oring still inside the fill valve on your pmag? That is the usual case when gas starts to spew out..the oring is missing and makes it hard to fill..moondog orings work great as a replacement.

Sent from my DROID2

#7 dos_Santos

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Posted 11 September 2012 - 07:18 AM

I don't have any problems with charging my PMAG's, and all 10 had zero leaks.  But now that I said that...

#8 darkbluedean

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Posted 11 September 2012 - 06:37 PM

I have 5 PMAGs.  One was leaking right out of the bag, had to tighten the valve.  The other 2 started leaking after about 5 rounds each, same issues, had to tighten the valve.

I don't have a problem filling my PMAGs.  Like Boobie says, it's probably the missing o-ring, I now use Moondogs.  They haven't fallen off since I've put em on 3 of the 5.

#9 Chuck S

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Posted 12 September 2012 - 02:58 AM

Source for the o-rings?  No storefront airsoft here on the North Coast so I gotta find parts on the web.

-- Chuck

#10 xKingSizex

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Posted 12 September 2012 - 10:51 AM

http://www.evike.com...oducts_id=33981

There ya go!

#11 ProtectionPerfection

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Posted 21 November 2012 - 05:41 AM

View PostChuck S, on 11 September 2012 - 06:08 AM, said:

The PMags suck!  How's that for an opinion up front?  :)  I have a pair as well as three standard magazines.

LM4 magazines were in such short supply this summer I had to get a pair of the PMags.  Sorry I did.  Will swap 'em for the regular mags as soon as I can.

The extra thick PMag base plates make them difficult to charge with gas and spew gas everywhere while filling, even with the baseplates removed or pushed to the side  The aluminum mags charge quietly and effectively with none if these problems.  I ain't drinking the MagPul kool aid with their 5.56mm magazines either ;) although the dozen I have work perfectly -- but so to my USGI magazines.

-- Chuck

Ill trade you 2 of my Stanag mags for your 2 Pmags!

#12 gcw360

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Posted 21 November 2012 - 03:19 PM

Let's take this to PM please.

#13 freon

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Posted 24 November 2012 - 01:48 PM

Easy to fix leaky issues. I always load my mags with only 30 rounds to simulate a real stanag so capacity is a non-issue for me.

Pros vs cons are mainly for weight. Stanags are lighter, definitely, but if you're looking for a little fitness while you play, pmags are good for that.

As an added bonus, when you put your rig down to rest and someone checks it out, they will freak out when they try to pick it up.

#14 General Pickle

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Posted 18 January 2013 - 11:40 AM

I'm all for airsoft industry and all that but holy crap, $5.00 for a few o-rings?! What the @#%*! Go to O-ring Warehouse, buy $5.00 of red silicone O-rings in size 002... 100 fill O-rings for your GBB guns, bam.

#15 Chuck S

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Posted 18 January 2013 - 03:39 PM

Thanks for the O-ring source info!

Got the correct sizes (plural) for the GBB release valve?  I hear Danco 60 and 61 but there are three o-rings in the valve.

-- Chuck

#16 General Pickle

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Posted 24 January 2013 - 11:35 PM

I'm not sure about the internal valves at this time. I currently don't own the LM4, I have a KWA MP7 and the Mark I PTP, all 9 of the mags I have between those two guns lost their fill o-ring fairly quickly. I managed to find some nitrile o-rings in size 002, fit like a charm on ALL of them, none of them have had fill issues since then :) If I ever need to pop my valves out I'll be sure to measure them and take note of everything I can. I have about 100 of the red silicone o-rings coming in the mail, I'll be testing them with various guns and valves to see if they fit as well as the nitrile ones did. My guess is that Moondog is selling these same rings to people :P No offense to him, it's just insane to charge that much for little bits of rubber in my opinion (I spose the same can be said for all the parts in airsoft eh?).

Edit: I will own an LM4 PTS very soon, so my guess is that I'll be taking those measurements just as soon.

Edited by General Pickle, 24 January 2013 - 11:39 PM.


#17 Outlaw1995

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Posted 25 January 2013 - 07:50 PM

View PostGeneral Pickle, on 24 January 2013 - 11:35 PM, said:

I have about 100 of the red silicone o-rings coming in the mail, I'll be testing them with various guns and valves to see if they fit as well as the nitrile ones did. My guess is that Moondog is selling these same rings to people :P No offense to him, it's just insane to charge that much for little bits of rubber in my opinion (I spose the same can be said for all the parts in airsoft eh?).

Yeah, he's making a pretty penny off of us... but hey, he's trying to make a buck. (gotta love capitalism, right?)

In any event, a forum member and I set out to see what was different about Moondog's o rings. They are slightly similar to McMaster-Carr size 002, just shinier. In no way do moondog's o rings help provide a better seal than other size 002 o rings you could buy in bulk for cheap from appliance stores/companies.





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