What Is an Iron Sight and How Do You Aim with It?
Iron sights are physical aiming tools that need no batteries. See how to align the front post and rear notch, and how to use them as reliable red dot backups.
What Is a Collimator Sight and How Does It Work?
A collimator sight uses curved glass to project an aiming dot that stays on target. Understand how it works and why common red dots are the same tool.
What Is an RMR Sight and How Does It Fit Your Pistol?
An RMR is a compact red dot sight and a standard mounting screw pattern. See how the optic shape and slide cut work together to verify pistol fit.
What Is a Holographic Sight and How Does It Work?
A holographic sight uses a laser to float an aiming reticle on your target. It handles astigmatism better than a red dot and helps you spot cheap LED clones.
What Is a Reflex Sight and How Does It Work?
A reflex sight reflects an aiming dot off curved glass so you can shoot with both eyes open. Open windows give wide views, while enclosed tubes block debris.
What Is a Red Dot Sight and How Does It Work?
A red dot sight bounces a lit dot off glass to create a fast aiming point. Aim with both eyes open without projecting a laser beam or lining up iron sights.
How to Adjust an NcSTAR Laser Without Stripping the Screws
Turn the top screw to adjust height and the side screw for left or right aim. Use gentle quarter-turns to zero your dot without stripping the fragile threads.
How to Adjust and Zero a Crimson Trace Laser
Adjust and zero your laser sight safely. Locate the two adjustment screws, make gentle turns to shift the beam, and avoid stripping delicate internal threads.
How to Adjust a Laser Sight to Hit Your Target
Zero your laser sight by walking the dot directly onto bullet holes. Turn each adjustment screw the right way to lock in your aim without wasting ammunition.
How to Adjust a Truglo Red Dot to Center Your Shots
Turn each dial the correct way, loosen rear lock screws first, and center your red dot quickly without wasting ammo or stripping delicate threads.
How to Adjust and Zero a Crimson Trace Red Dot
Turn the top screw for up-and-down aim and the side screw for left or right. Learn which way to rotate dials to zero your shots without wasting range ammo.
How to Adjust a Romeo Zero Sight Without Stripping Screws
Press the button behind the lens to cycle brightness, and use a 0.050-inch wrench to dial in your aim without stripping the delicate adjustment screws.
How to Adjust a Holosun Sight Without Wasting Ammo
Turn top and side dials the right way to move bullet holes to your aim point. Follow the arrows, count your clicks, and set brightness to zero in fewer rounds.
How to Adjust an EOTECH Sight Without Wasting Ammo
Turn your EOTECH side dials with a coin to shift bullet impact half an inch per click at 100 yards. Zero your sight fast without guessing or wasting ammo.
How to Adjust a Reflex Sight to Center Your Shots
Turning dials toward UP or R moves where your bullet hits, not the dot. Check lock screws, turn the right dials, and center your shots without wasting ammo.
How to Adjust a Red Dot Sight Without Wasting Ammo
Stop chasing misses across paper. Dial arrows move your bullet holes, not the dot. Learn which screw to turn to center your shots without wasting ammo.
How to Adjust Adjustable Pistol Sights to Hit on Target
Move your rear sight the direction you want shots to go: right to shift right, and up to shoot higher. Steady your rest first to avoid adjusting for a flinch.
How to Adjust M&P Shield Sights Without Scratches
Move your M&P Shield rear sight the right way to fix off-center shots. Protect your slide finish, tap safely, and avoid losing the tiny spring underneath.
How to Adjust Beretta 92 Sights Without Damaging Your Slide
Fix off-center shots on your Beretta 92 by gently tapping the rear sight sideways. Check your grip first, use safe brass tools, and protect your slide finish.
How to Adjust a 1911 Rear Sight Without Scratching the Slide
Move your 1911 rear sight where you want bullets to go. Loosen hidden set screws before tapping fixed notches, or adjust target screws without slide damage.

















