That is kinda cool recoil spring and all the only thing I see diff is the cut out area
If I dont sell it or trade it I'm thinking on applying for the stamp and building a SMG uzi they dont cost a lot to built parts kit is 170 reciever 75 and jig 170
The firing pin on mine is fixed from what I've read it's a slam fire system
kendive, you probably already know this but there is a tungsten bolt available to slow the rate of fire
in stock style upper for the M11/9. really heavy.
https://macmachineguns.com/?product=bolt-cf-w-9mm-for-the-m119
How would that work when buying a SMG parts kit that has only had the receiver cut and barrel removed all SMG parts are there