HK91/93 and CETME C Semi-auto Shelf/Weldment Placement Jig
thingiverse
If you love what I've done and want to help me create more by buying a print, just head over here: https://www.gunbroker.com/item/867611083. This is an easy jig that makes installing the semi-auto shelf/weldment a snap. It indexes from the bottom of the receiver and puts the jig exactly 36mm up from that point. It might fit a bit snugly, but this is on purpose - it lets you tailor the jig to your receiver with a file in just a few minutes. I highly recommend printing this object out of Nylon 6. You'll need the heat resistance while tacking your weldment into place!
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