I'm building my 1st two MP5's. One of the 1st things I noticed when I took the mag release out of the old magwell section is the small reinforcing flats on the inside of the receiver. I bought a small scrap of 16ga sheet metal, made my own pieces and spot welded them into the receiver.
Weldment insert
Does anyone make the little welded in reinforcement that is spot welded to 90 series receiver where the mag paddle is ?
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Thous reinforcement tabs are also two different sizes or thickness witch allow the paddle to be centered.
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