Afrequent topic of discussion and the occasional internet sh*tstorm is that of the pistol zero. Let’s peel back a layer and examine what it is and what goes into it.
In the simplest terms, when you zero a gun, you adjust the sights or optic so your point of aim matches your point of impact at a specific distance. This convergence is the in-tersection between your line of sight and bullet trajectory. Bullets aren’t laser beams like in the movies and are subject to gravity. If your bore and sight lines were both perfectly parallel, their paths would never cross, and thus no zero could be obtained. Instead, it’s like throwing a football — the bullet travels up and back down again. Fundamentally, the role of a zero is the same regardless of the weapon: to make it easier
