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[wcoastpi]

Have several sets of sights for testing.

Problem solved by a brass punch

Installed XS 24/7 big dot sights. The rear sight blade is held by two set screws and loctite. Although they supply red, I used blue, only on the edges surrounding the blade and not on the set screws as instructed. In trying to remove the rear sight, one set screw unscrews pretty easily. The other won't budge. I have tried gun solvent and penetrating oil to no avail. The set screw key is very small, thin and flexible. Can get a good bite, but no torque as it will bend, having to use too much force. . Any suggestions? - or I may be stuck with these sights..............