AR308 Upper Receiver Lapping Tool

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  • cheese

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    Does anyone have a upper receiver lapping tool I could borrow for my Aero M5 upper? Trying to put my MI rail on and the barrel nut won't time.
     

    oneshot

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    I don't think lapping the upper receiver will help with timing the barrel nut, you need some one that knows what they are doing. Just my 5 cents jj
     

    oneshot

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    What you are looking for is some way to remove some metal from the upper rec. where the barrel shoulder goes to the upper Rec. to advance the barrel so the nut will rotate a little more. Be carefully, there are a couple thing you should check be for you do this. Just my 5 cents jj
     

    Droshki

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    I think this is where I say:

    "I think you should give jj (oneshot) a call".

    You will at least be informed about your options. Even if you end up driving up there, at least your problem will be solved afterwards.
     

    MarkS

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    I think this is where I say:
    "I think you should give jj (oneshot) a call".
    You will at least be informed about your options. Even if you end up driving up there, at least your problem will be solved afterwards.

    This
     

    oneshot

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    Well I quest he has come to the fact that he needs to go back to u-tube or he has called Nate, or we hurt his feeling , or don't want to learn. we all had to learn some way. Mine cost me. Just my to 5 cents jj
     
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