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JamieB

Motor height adjustment problem

6 posts in this topic

Hiya,

 

I've recently installed a Magpul MOE grip on my M4. I was adjusting the motor height screw last night to get the rifle sounding/firing properly in semi-auto, but i have to set it really loose to the point where the screw will turn on its own, or with a finger. This can't be normal, i'm worried the adjustment screw will fall out! But if i tighten it just enough to hold it in place the motor starts grinding.

 

Any ideas what could be causing this, and how i could fix it?

 

Thanks,

 

- jb

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Maybe the motor is caught on something?

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Maybe the motor is caught on something?

 

Having done some internet research it seems there has been reports

of problems with the Magpul grips before - they don't fit correctly with a lot of motors and push them down too far. It's a shame because it's a lovely grip and it matches my other Magpul mods.

 

Do you think it would be possible to shim the motor plate/grip cover too allow a bit more room for the motor? Otherwise i might just have to go back to my original skanky plastic grip :angry:

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It might be possible to do that.

 

Have you tried comparing the adjustment screw from the old and new stock?

 

Yep, both are at similar heights. I did try to install my original base plate

in the Magpul grip buts it doesn't fit - i guess Magpul don't want you using anything but their base plates.

 

After some more research today it seems Magpul have corrected this issue (apparently the fins/rims on the original MOE base plate don't fit properly with most AEG motors) by releasing a revised metal base plate with a different design. Personally, that feels a bit like they are cashing in to me, it's pretty annoying.

 

Oh well, be warned i guess guys.

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