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7.62x39 upper question?

Discussion in 'GATE AR-15 Forum' started by lil Nelson, Mar 14, 2011.

  1. lil Nelson

    lil Nelson

    Aug 16, 2008
    Any problems with putting one on a 5.56 lower? what about the 25 round mags. do they work? What to look for when choosing a piston driven upper? thanks
  2. Constructor

    Constructor Moderator

    Dec 10, 2009
    7.62x39 uppers will work on 5.56 lowers, mags are the big "if" some do and some don't, the newer CPs seem to work as well as the USA frankenmags.
    I would rather not get into the piston thing, buy a better grade AK if you want a piston 7.62x39. JMO