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.
Zeroing in the rifle can be done before the scope is mounted.
( z1 possible :ARG1 ( z2 zero :ARG1 ( z3 rifle ) :time ( z4 before :op ( z5 mount :ARG1 ( z6 scope ) ) ) ) )