How to use adjustable objective rifle scopes<br>Be sure that your scope is mounted properly. Sighting-in can have been done preliminarily, but additional sighting-in will be desirable after following these steps : Know your rifle. There are actually two optical systems in a rifle scope.
There are actually no optical systems in a rifle scope.
( z1 system :polarity - :mod ( z2 optics ) :location ( z3 scope :mod ( z4 rifle ) ) :ARG1-of ( z5 actual ) )