How Do You Zero a Scope? (2026)
How do you zero a scope? Want to hit what you aim at, from close CQB to long shots?
This guide shows easy steps for choosing a zero and gathering the right gear. It also covers mounting and bore‑sighting so your first shots land on paper.
You will learn the step‑by‑step zeroing process: fire a group, measure the offset, convert to clicks, and make small corrections. Clear MOA and MIL examples are included, plus tips for airsoft and firearms.
We finish with how to confirm, lock, and log your zero and safety reminders. Read on and you will zero your scope confidently and safely.
Table of Contents
- Choose your zero distance & gather equipment
- Mount the scope and bore-sight for a good starting point
- Establish a stable shooting platform and set the target
- Step-by-step zeroing process (How to zero a scope)
- Confirm, lock and maintain your zero
- What People Ask Most
- Final Thoughts on Zeroing Your Scope
Choose your zero distance & gather equipment
Choose your zero distance to match how you’ll use the gun. Airsoft/CQB commonly uses 20–50 yards, general-purpose rifles 50–100 yards, and long-range shooters often pick 100+ yards.
Each choice trades trajectory and holdover for simpler aiming inside your expected engagement ranges. If you ask how do you zero a scope for airsoft, start at a short distance and confirm hop‑up and BB type before you begin.
Bring scope rings and a torque wrench, a shooting rest or bipod, a grid paper target, a bore-sighter, calipers or a ruler, marker or powder-coated BBs, and turret tools. For step-by-step basics see this beginner guide.
Mount the scope and bore-sight for a good starting point
Mount the scope with correct rings, set comfortable eye relief, and position the tube so the reticle is centered in the field of view. Make sure the tube sits forward enough to prevent scope bite and ensure a repeatable cheek weld.
Level the reticle and torque rings to manufacturer specs to avoid shift under recoil or handling. Use a mechanical or laser bore-sighter to bring the reticle onto paper for your first shots.
Visual bore-sighting is another option: remove the bolt or retract the slide and center the bore on a distant target, or use a no‑fire wall method indoors for airsoft. A good initial bore-sight saves time and ammo by getting you on paper quickly.
Establish a stable shooting platform and set the target
Consistency is everything, so use a benchrest, rear bag, bipod or vice and find the same cheek weld and head position each shot. Consistency beats brute force for tighter, repeatable groups.
Place a grid or bull target at your chosen zero distance, confirm a safe backstop, and try to shoot in calm conditions to reduce wind effects. Adjust parallax so the target is sharp and the reticle doesn’t move when you shift your eye.
Use a spotting scope or a partner to record group location and save trips downrange. Follow range safety, wear eye and ear protection, and review a simple zeroing procedure if you need extra tips.
Step-by-step zeroing process (How to zero a scope)
Fire an initial group of 3–5 rounds for firearms, or 5–10 for airsoft to average BB spread and hop‑up variance. Keep the same point of aim and mark your point of impact for measurement.
Measure the group center relative to point of aim with calipers or a ruler, then convert that offset into turret clicks. How do you zero a scope? Use your scope’s click value and the formulas below to translate inches into clicks.
MOA example: a 1/4 MOA click equals 0.25″ at 100 yards. If your group is 2.00″ right at 100 yards, divide 2.00 by 0.25 = 8 clicks left, so adjust windage eight clicks.
MIL example: a 0.1 mil click ≈ 0.36″ at 100 yards and ≈0.72″ at 200 yards. If the group is 3.00″ left at 200 yards, divide 3.00 by 0.72 ≈ 4.17, round to 4 clicks right and re-shoot to refine.
Adjust windage first, then elevation, and take small steps instead of huge swings. For example, if you are 6″ high at 100 yards with 1/4 MOA clicks (0.25″/click), avoid a single 24‑click change; do 8–12 clicks and re-shoot to see the real effect.
Confirm, lock and maintain your zero
Fire a final verification group and, if practical, confirm at a second distance to catch ballistic quirks. Record turret turns, consider a zero-stop, or mark the turret to return to your mechanical zero.
For dialing tips see this scope zeroing guide. Keep a log of distance, ammo, hop‑up setting, turret clicks and directions, weather, plus photos or simple target diagrams so you can replicate the zero later; if you still ask how do you zero a scope, this habit will make future work easy.
What People Ask Most
How do you zero a scope for beginners?
Start by stabilizing your rifle and shooting a small group at a known distance. Adjust the scope left/right and up/down until your shots hit the point of aim, and repeat until groups are consistent.
How long does it take to zero a scope?
Most people can get a usable zero in 30 to 60 minutes if they work steadily. Fine tuning may take extra time as you confirm groups and make small adjustments.
Do I need special equipment to zero a scope?
You don’t need fancy gear; a steady rest, a target, and consistent ammo are the basics. A simple bore sight or laser can speed things up but is not required.
How often should I check if my scope is still zeroed?
Check your zero whenever you change ammo, move mounts, or drop the rifle. A quick confirmation at the start of each shooting session is a good habit.
Can the same zero work at different distances?
You can zero a scope at one distance but bullets hit differently at other ranges. Rezero or use holdover adjustments if you plan to shoot much closer or farther than your zero distance.
What are common mistakes when zeroing a scope?
Common mistakes include shooting from an unstable rest, using inconsistent ammo, and rushing adjustments. Take your time and make only small changes between groups.
Will changing ammunition affect my scope zero?
Yes, different ammo types can shift your point of impact and change your zero. Always confirm your zero after switching to a new brand or bullet weight.
Final Thoughts on Zeroing Your Scope
Picking and holding a reliable zero — whether you’re dialing a mid-range 270 for a specialty shot or setting up a CQB or long‑range rifle — gives you predictable point of impact and confidence to make follow‑up shots. This guide walked through the exact steps to get there: choosing your zero distance, mounting and bore‑sighting the scope, building a steady platform, and turning inches on paper into precise turret clicks. The main benefit is consistency—your optic and gun start agreeing so your shots hit where you aim.
Don’t expect perfection; wind, temperature, loose rings, or a changed hop‑up or ammo will shift a zero, so verify after any major change and don’t over‑correct after one group. The step‑by‑step process we showed answers that opening question about which zero to pick by outlining tradeoffs, demonstrating bore‑sighting and click math, and finishing with confirmation and logging. It’s a practical workflow for airsoft players, CQB shooters and general rifle users who want reliable, repeatable performance, and you’ll get better every time you practice.