Reply to "Glock factory zero and sight picture"

-25 yards is a good distance to have your sights zero’d. 15 yards would also suffice if that’s the farthest your range went.

-Different ammo may have different zero. For example, out of a Gen4 Glock 17, 115 grain ammo may print a different POI than 147 grain ammo 

-Some guns print high/low out of the box, regardless of ammo. Your front sight height would be the easiest change to dictate elevation. You may need to change your front sight height to get your desired POA/POI relationship.  (Sight height calculator: https://dawsonprecision.com/sight-calculator/

-For a SIRT pistol, I would just center the rear sight in the dovetail as best you can and zero top edge POA/POI at the farthest distance you plan to practice with that laser gun. 

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