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Wear On Mag


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#1 Raptor72

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Posted 25 May 2012 - 03:12 PM

Is anyone else noticing a small wear mark (small chunk of plastic) on the left side of the feed lip?  I have noticed it on all six of my mags.  This is my first gbb, is this normal.

Here are some pics:

Attached File  LM4 mag2.jpeg   122.95K   100 downloads

Attached File  lm4 mag1.jpeg   110.07K   90 downloads

Edited by Raptor72, 27 May 2012 - 08:48 AM.


#2 Nitemare

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Posted 25 May 2012 - 06:28 PM

Not noticing it on my single mag (put about 16 loads through it). Can you take a picture to show us the area/wear?

#3 Raptor72

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Posted 27 May 2012 - 08:48 AM

Bump, see new pics on original post.

#4 Outlaw1995

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Posted 27 May 2012 - 10:41 AM

I have not experienced this issue, but have experienced wear on my bb follower... the only logical explanation for all this wear on these close areas is an imprecise bolt. The nozzle may be hitting and taking chunks off the bb follower, and the steel bolt may be rubbing up against the feeding lips... who knows? KWA is at OP Lion Claws right now... Once they get back, hopefully they will have answers.

#5 apacifico3

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Posted 27 May 2012 - 01:32 PM

View PostRaptor72, on 25 May 2012 - 03:12 PM, said:

Is anyone else noticing a small wear mark (small chunk of plastic) on the left side of the feed lip?  I have noticed it on all six of my mags.  This is my first gbb, is this normal.

Here are some pics:

Attachment LM4 mag2.jpeg

Attachment lm4 mag1.jpeg

Nope. Completely normal. I just got 3 brand new mags in on Friday and opened the box today. The feed lips have that indentation and that nick is probably from wear; however, one of my BRAND NEW, NEVER USED mags has a broken feed lip... This is just dumb. Maybe they should have used QUALITY metal feed lips and metal followers.

Edited by apacifico3, 27 May 2012 - 01:36 PM.


#6 Outlaw1995

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Posted 27 May 2012 - 01:36 PM

View Postapacifico3, on 27 May 2012 - 01:32 PM, said:

however, one of my mags has a broken feed lip... This is just dumb.
That's ridiculous.

#7 apacifico3

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Posted 27 May 2012 - 01:38 PM

Check my edited post. I don't have my rifle yet, just stocked up on mags. The plastic followers and lips seem EXTREMELY cheap, like flimsy hard plastic, not quality polymer.

#8 R_King91303

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Posted 27 May 2012 - 04:56 PM

Fielded the gun today, the lip looks fine, but the follower is showing wear. To be honest, I'd much rather have a cheap easy to replace plastic mag follower crap out, than something in the bolt carrier group. (but that's just my two cents)


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#9 Titan

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Posted 27 May 2012 - 07:05 PM

No wear on all 5 of my mags. i have filled and used about 15 times per mag. i will keep a eye out for any trouble.

#10 Guest_Allizard_*

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Posted 27 May 2012 - 09:31 PM

A lot of feed lip from OTHER product are made out of metal alloy and once it's been dropped than it will be deformed.  This will also damaged BB's surface before it leaves the barrel.  

On the other hand, The LM4 mag feed lip is not made out of any cheap plastic.  It's made out of impact resistance polymer and it protects BB from scratching.  And in case if the LM4 feed lips does get damaged from LE training.  It can be easily replaced it's housing by removing the top two screws.

#11 Raptor72

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Posted 28 May 2012 - 05:04 AM

Allizard, I am looking forward to your thoughts on the wear on my mag lip.  Is it a normal wear item?

#12 apacifico3

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Posted 29 May 2012 - 02:58 PM

I realized what I said about wanting a metal feed lip is wrong. Any damage to a metal feed lip would probably cause catastrophic damage to other moving parts of the gun. I can't understand how a feed lip is broken and I just opened it; probably damaged during packing, because there was no damage to the shipping box. How can something be damaged while packing and expected to hold up to the constant use of a GBBR?

#13 niko_gpsy

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Posted 29 May 2012 - 04:08 PM

View Postapacifico3, on 29 May 2012 - 02:58 PM, said:

I realized what I said about wanting a metal feed lip is wrong. Any damage to a metal feed lip would probably cause catastrophic damage to other moving parts of the gun. I can't understand how a feed lip is broken and I just opened it; probably damaged during packing, because there was no damage to the shipping box. How can something be damaged while packing and expected to hold up to the constant use of a GBBR?
It could have been dropped before packing by the reseller.  But it's an easy fix and the mags have been designed so that it can be easily replaced if damaged during LE training where the mags are dropped on the floor.

#14 apacifico3

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Posted 29 May 2012 - 05:03 PM

View Postniko_gpsy, on 29 May 2012 - 04:08 PM, said:

It could have been dropped before packing by the reseller.  But it's an easy fix and the mags have been designed so that it can be easily replaced if damaged during LE training where the mags are dropped on the floor.
Yeah it's an easy fix, just hoping the replacement will be free or very cheap at the least. If I have to pay for it, I might as well order some spares if they're less than $10 a pop.

#15 Guest_Allizard_*

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Posted 30 May 2012 - 08:29 AM

View PostRaptor72, on 28 May 2012 - 05:04 AM, said:

Allizard, I am looking forward to your thoughts on the wear on my mag lip. Is it a normal wear item?


The feed ram have a metal tip so during forward motion I am not surprise it will scratch off some material on the polymer feed lip.  As long as the mag is holding the bb then I wouldn't worry much about it.

#16 Raptor72

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Posted 30 May 2012 - 08:51 AM

That is what I was thinking, but it was worth asking.




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