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Discussion Starter · #1 ·
Good evening all.

New MCX (legacy) owner here. I'm disassembling the upper and lower for cerakoting and have run into an issue. The bumper retaining screw is super tight, so tight that I'm concerned about breaking it (or a hex bit).

I was able to break it loose a bit so that it now rotates back and forth about 1/4 turn, but trying to extract it further requires more force that I'm immediately comfortable with.

The situation is not helped by the fact that the hex bit size for the screw is only 1/8".

Any advice? Am I missing something here?

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