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RRA 9mm Carbine Questions for conversion to another mag type

240nmc

Private
Full Member
Minuteman
Jul 6, 2013
203
306
North Carolina
I have a RRA 9mm upper on a lower with the RRA magwell insert that accepts the modified Uzi mags. I was wondering if there are any other conversions for the mag well that would let me use Glock mags or MP5 mags? Or am I better off selling the RRA set up and switching over to a different set up all set up for glock or MP5 mags?

I searched a few of the websites but haven’t really found a definitive do this and do that....

Thanks for the feedback in advance....
 
I had the Uzi mag lower insert when the AR9's were just starting out as a thing. Since, I have switched over to a dedicated Glock mag lower, and it's far more reliable (and I'm much happier with the change).