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KNS Precision Taller Square .072 Front Sight Post
$11.00 $10.20
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Most Helpful Positive Review KNS Precision Taller Square Front Sight Post
The KNS Precision Taller Square Front Sight Post is exactly what you need if you have a non-F-marked front sight base with a flattop upper receiver. If you try to use a normal front sight post in this configuration, you will have to really unscrew the front sight post in order to get the rear sight aligned. This KNS Precision Taller Square Front Sight Post fixes that problem.
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Good way to fix an odd situation

by JB, Verified Owner from GA, United States Written on June 16, 2024
I put a metal flip up mechanical front sight on my Armalite AR-10 (good company, won't mention) anyway the sight is mounted on the gas block and when I zeroed, the front sight post was over halfway out of the housing and wobbled around a bit. I put the taller sight post in and it has fixed that. Worth the money and the effort.
Would recommend: Yes
Was it helpful to you? Yes | No

Works for using a non F marked front sight base

by John, Verified Owner from VA, United States Written on February 23, 2022
Works for using a non F marked front sight base. I put it in a JP rifles a2 height adjustable gas block front sight. Seems to zero as it should.uses standard 4 notch adjusters, fit with a milspec detent pin.
Would recommend: Yes
2 of 2 found the following review helpful.
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Last updated 2025-11-12 UTC.