Sights – Types of sights identified by USPSA are:
184.108.40.206 “Open sights” - aiming devices fitted to a handgun which do not
use electronic circuitry and/or lenses.
220.127.116.11 “Optical/electronic sights” - aiming devices fitted to a handgun
which use electronic circuitry and/or lenses.
that is copy and pasted from the USPSA rule book. Here is the link if you need it.
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