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REMIX UMP 11/9 Left Brace REINFORCED Button Retainer

@AFTagent 998.7KiB Released May 20, 2025, 1:07 PM 0.001LBC 0 Reposts
The button used for the folding brace seems to constantly fail on the same lip of the button retainer. To remedy this, I have added 2 channels for 6-10mm long M3 grub screws(choose a size based on how much you want sticking out the top). Applying a little heat to the grub screw makes screwing in the channels easier without cracking plastic.

LBRY Tags: 3d2a; ump11/9; remix; brace; leftfolding