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Repairing M&P pro front fiber optic


tackdr1ver

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Last night I was cleaning my M&P pro and discovered that the fiber optic had been damaged and was about to fall out. So my question is: Does anyone know what diameter F/O I need to replace it. And also, what is the best method for securing the rod within the housing?

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Pretty easy fix. Not sure what the stock FO rod diameter is. Usually it's .040". Several companies sell one foot lengths of FO rod. I'll cut a 3/4" section. Melt one end slightly (don't over do it), insert into front sight, trim the length so the rod sticks out 1/8", melt that end then use the lighter to mash it into the sight. I hold the FO rod in place with a finger so it doesn't move when I mash the front end.

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Fixed one for one of the lady shooters in our group last week, .060 rod. I like to put a small amount of two part epoxy on the rod just before pushing it into the sight, still heating the ends with a lighter. Use a pin or small paper clip to apply a very small dab on the rod.

The rod used to break often on my Edge, since the epoxy trick I haven't had one break.

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Thanks for the tips guys, I appreciate it. Going to grab some F/O tomorrow. Is there any particular brand of two part epoxy you recommend? Also, does the epoxy come off with ease if it gets too gunked up after a while?

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Thanks for the tips guys, I appreciate it. Going to grab some F/O tomorrow. Is there any particular brand of two part epoxy you recommend? Also, does the epoxy come off with ease if it gets too gunked up after a while?

No need to go all the way to epoxy. Put a little dab of super glue on the inside of the bulb you melt first, put a tiny bit on the sight were the bulk of the rod makes contact, slide the new rod in, melt the end and you're done. They last a long time done that way (I've had them go 10K before) and it's easier to clean up the next time than you'd get with epoxy. R,

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