In my case, no. Definitely not a back up system. When using a front sight, what else is there? And anything that is a back up never intended to be used, is not, by definition a back up.

I hunted for a few years with a Beach front sight and barrel or tang sight. I like lollipop tang sights on lever rifles, but they are not repeatably adjustable on the fly, so a front sight with two different altitudes made some sense. One long, one short range. Unfortunately, as I said, the Beach sight is simply not the solution for the reasons mentioned. I got rid of it (actually 2 of them).

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BrentD, (Professor - just for Stan)
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