AR47 Build Question

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  • grimnar15

    Ultimate Member
    MDS Supporter
    Jul 21, 2019
    1,645
    Does an 7.62X39 barrel designed for the AR platform fit the standard M4 upper receiver?
     

    asdaven

    Active Member
    Oct 30, 2013
    272
    Maryland
    Dont believe so. Standard upper...different bolt and barrel. Then magazines and maybe need to play with a heavier hammer spring and buffer/buffer springs.

    Now, if you build one of the styles of AR 15s that take actual AK mags, then yes you need a special upper reciever.
     

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