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Brand new LM4... damaged?

LM4 PTS PMAG damage AirsoftGI Fix RMA

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#1 General Pickle

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Posted 31 January 2013 - 05:46 PM

Hello all! I've just received my LM4 PTS from AirsoftGI today and I love the way it feels! However I noticed that my magazine follower is chipped even though I haven't fired it yet. I took the magazine out of the box and saw immediately that it was chipped, thinking maybe this was caused by test firing? Is this normal? Will it impede my LM4's function? I have not released the bolt on the empty magazine for fear of damaging it further. I have not put gas or BB's in it yet either. Any help or guidance would be greatly appreciated, thanks!

#2 BeachEMT

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Posted 31 January 2013 - 06:30 PM

ASGI tests most guns before they ship them. Email GI customer support and see what they say. They are usually pretty helpful.

#3 Airsoftguy

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Posted 31 January 2013 - 06:37 PM

Hello! I also have the Magpul LM4 I bought it a while back and I also noticed that overtime the nozzle and bolt would chip the magazine follower. But it only chipped it a little bit like a 1-2mm chunk from the middle-ish sort of right side of the magazine follower and it never did it again (*looking at the folllower from the output valve perspective). This has happened in all of my PMAG's. My guess is that Airsoft GI probably "pre" cut or "pre" chipped the magazine follower because it would eventually happen and the plastic debree could end up in your internals somewhere worst place being the hop up because it can rip your bucking.

Just a theory but could be the reason OR another explanation could be that it was shot/tested before it was sent to you and it chipped while the person was chronoing your GBBR. :) I wouldn't be worried unless your follower came completely broken and wasn't doing its job. Also it will not and should not in anyway interfere with the function of the LM4. I've been running my LM4 for the past 6 months like this and no problems :)

Maybe a picture of the magazine and follower can help us give you a more accurate answer :)

Edited by Airsoftguy, 31 January 2013 - 06:43 PM.


#4 gcw360

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Posted 31 January 2013 - 07:35 PM

 General Pickle, on 31 January 2013 - 05:46 PM, said:

Hello all! I've just received my LM4 PTS from AirsoftGI today and I love the way it feels! However I noticed that my magazine follower is chipped even though I haven't fired it yet. I took the magazine out of the box and saw immediately that it was chipped, thinking maybe this was caused by test firing? Is this normal? Will it impede my LM4's function? I have not released the bolt on the empty magazine for fear of damaging it further. I have not put gas or BB's in it yet either. Any help or guidance would be greatly appreciated, thanks!
The chip was most likely caused from someone releasing the bolt with the mag in and no BB's loaded.  This is a no,no!  The chip, if bad enough, might have an affect on feeding. However, I have a mag in with a chipped follower and have had no feeding issues because of it.

#5 jonsun81

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Posted 31 January 2013 - 08:08 PM

Yup, I have the same chip on 3/5 of my mags.  Didn't notice a difference in how it fed and bolt always locks back.  Definitely will not be dry firing or showing off the bolt lock without bbs.

#6 Airsoftguy

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Posted 31 January 2013 - 08:12 PM

Well now this looks like a common issue that is pretty much inevitable. As long as it doesn't mess with BB feeding its fine with me. :)

#7 General Pickle

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Posted 03 February 2013 - 12:49 AM

First day of testing! My LM4 ran rather well with .25g biovals, managing to get through about 2/3 of a mag on semi... mind you, I was playing in 25 degree weather :P certainly not anywhere near ideal conditions. Crappy game day aside, the thing is a beast! I think I'll run .30g in it though in order to offset that nice hop. Unfortunately I broke my feed lips today, so I'm already taking the mag to the bench to work on it. The chipped follower has caused no issues so far, but it is concerning me at times. Looks like I'll need to get some replacement followers and feed lips. One of my local players gave me a couple of his PMAGS to work on, try to fix, familiarize with and generally learn how to maintain these beauties. I must say, I think I'm in love with this design. Everything is so simple, it all just makes sense to me. Anyway thanks for the input guys, I'll post results of my various mods and fixes as they happen.





Also tagged with one or more of these keywords: LM4, PTS, PMAG, damage, AirsoftGI, Fix, RMA

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