7.62x39 upper question? [Archive] - Glock Talk

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lil Nelson
03-14-2011, 18:58
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

Constructor
03-14-2011, 23:38
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