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MAC Conversion Issues! Help!

1K views 3 replies 3 participants last post by  Gunco 
#1 ·
I have been trying to convert an M10/45 SMG to 9MM. I have the correct upper, bolt, etc. I have a Cobray mag well insert that seems to fit. When I try to use M10 mags, the weapon will feed a round but will not consistantly fire the round. I think the bolt is losing a little momentum when coming foreward. I have take a little off the mag catch and it is not getting any better. Any ideas?

for those that care, this is an NFA weapon.
 
#3 ·
I have been working with Wildman43 on this weapon and eventually threw in the hat. It is quite difficult and expensive to find the correct 9mm magazines. I think I'm probably better off buying an UZI and keeping the M10 in .45 ACP.

Thanks for the advice!
 
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