Snake,

Always check "2017 Rule Changes", as part of the "Rules" site... FWIW.........

It is not clear all of the time.... .................

How difficult can it be to check the NRA web site for Rules and Changes?
If it's all too difficult, try this link http://rulebooks.nra.org/documents/pdf/ ... fle_17.pdf which includes these words "or a fixed, non-magnified round aperture."
There, is that so difficult!

Know your Rules!!

49er

Sorry I simply opened the available rule book I did not go searching. Apparently I just gave someone a reason to crab....so there was an up side