01 August 2017


Poing is not a noise you want to hear when attempting to delete the National Match rear sight on an M1A and install a normal USGI aperture.

The little wire retainer for the split-nut in the windage knob that is threaded for the elevation knob shaft went poing.  This is supposed to be an insuperable assembly...  Then the clicker ball bearing for the windage went flying.

Everything was located and has been reinstalled.


Edit, fixed parts names.

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