I used to thing FSB we’re out dated, now? I find them superior and only build/trust guns with them.
You want your gas blocks pinned, FSBs have two.
Folding/add on non folders (mostly aluminum) sights break, dent, and or damage, FSB really don’t. They are strong as all hell.
Folder maybe outa sight, but really the FSB disappears too, when using a red dot. Your brain doesn’t focus on it. It essentially becomes invisible until you make a Conscious decision that you want to see it.
It’s always ready.
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