sighting in a rifle
sighting in a rifle

One-Third Second Rule – Rifle Zero

Is there one method that will work for sighting in all big game rifles? In his book, Modern Hunting Optics John Barsness discusses how the 25-yard zero method used to apply and might still in some cases. But he also explains how it can get you in trouble. I’m sure folks have also heard of the point-blank zero method, along with all …