Pistol Red Dot Zero — 15 Yards
15 yards is a widely used practical zero for a pistol-mounted red dot: close enough to set up efficiently, far enough to expose real windage/elevation error, and it keeps point of impact close to point of aim across typical defensive/practical distances.
Before you start
Zero from a stable, supported position (a rest, bags, or a barricade) — zeroing measures the relationship between your sight and your bore, not your own unsupported wobble. Confirm every zero with a second group after adjusting, and re-torque and recheck your mount once you're done. Click values (MOA or MRAD per click) vary by optic model — check your specific optic's manual before converting inches to clicks.
Step-by-Step Zeroing Procedure
- Mount and torque the optic. Use the manufacturer's torque spec (commonly 15-25 in-lbs) and thread-locker if they call for it. A loose optic will not hold a zero no matter how carefully you adjust it.
- Set dot brightness so it's crisp, not blooming or washed out — a too-bright dot looks larger than it is and hurts precision.
- Shoot from a stable rest at 15 yards. Fire a 3-5 shot group at one consistent point of aim — don't re-aim at your own group mid-string.
- Find the group's center and measure how far it is from your point of aim, in inches, and in which direction.
- Convert to clicks and adjust. At 15 yards, 1 MOA is about 0.16 inches. For a common 1-MOA-per-click dot, that's roughly 6 clicks per inch of offset. Turn the turret toward the direction marked to move impact that way.
- Re-shoot a confirmation group at the same point of aim. Repeat the adjustment if it's still off.
- Shoot one more independent confirmation group. Don't call it zeroed off a single group — make sure it repeats.
- Know your point-blank offset. Because the dot sits above the bore (typically 0.7-1 inch), shots at very close range (3-5 yards) will land slightly low relative to the dot even with a perfect 15-yard zero. That's normal geometry, not a bad zero.
- Re-torque the mount and log your load. Zero can shift between different bullet weights/loads — note what ammo you zeroed with, and recheck periodically or after any drop or impact.
Frequently Asked Questions
- Why zero a pistol red dot at 15 yards instead of 25?
- 15 yards is close enough to set up efficiently on most indoor and outdoor bays, but far enough that windage and elevation errors show up clearly in a group — small errors close up get amplified at practical defensive distances. It's a widely used compromise, not the only valid choice.
- How many clicks per inch at 15 yards for a 1-MOA dot?
- About 6 clicks per inch. 1 MOA subtends roughly 0.16 inches at 15 yards, so for a 1-MOA-per-click optic, divide your measured offset in inches by 0.16 to get the click count.
- Why does my dot shoot low up close even after zeroing?
- A red dot sits 0.7-1 inch above the bore. At very close range (3-5 yards) the bullet hasn't risen to meet the dot's line of sight yet, so it prints slightly low relative to point of aim. This is normal sight-height-over-bore geometry, not a bad zero.
Print the matching zeroing target
Range Coach includes a printable target built for this exact zero, plus shot-group logging to track your offset and confirm each adjustment.
Printable Targets Open Zeroing Tool