The one really needs his combat glasses with those I had no trouble with the gas mask shooting. Course they changed to a much better mask in the 90's. Things have changed a bit for example keeping boths eye open improves depth preception. You can just barely open your weak eye.
The army and marines also have differing battle sight zeros.
Last edited by Stealhead; 10-01-14 at 10:58 PM.
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