May, 18

AR 15 Sight-In Guide: How to Perfect Your Aim in Simple Steps

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How to sight in an AR 15 is a crucial skill that every gun owner should possess. Whether you are using your weapon for hunting or target shooting, having accurate sights is essential to hitting your target. Sighting in an AR 15 can seem like a daunting task, especially if you have never done it before. However, with the right knowledge and tools, anyone can learn how to sight in their rifle.

In this article, we will discuss the different methods of sighting in an AR 15 and provide step-by-step instructions on how to do so efficiently. We will cover topics such as zeroing your rifle at various distances and adjusting windage and elevation settings on your optics system.

Don't worry if you're new to the world of firearms; our guide will walk you through the basics of setting up effective sights on your gun. So let's get started! Read on for expert tips on how to sight in an AR 15 effectively.

How to Sight in an AR 15: A Comprehensive Guide

An AR 15 is a popular firearm used for hunting and shooting sports. However, before you can start using it, you need to sight it in properly. Sighting in your AR 15 ensures that your shots are accurate and can help improve your overall shooting experience.

In this article, we will provide you with a comprehensive guide on how to sight in an AR 15 rifle. We'll cover the necessary steps involved so that you can achieve optimal accuracy every time.

The Importance of Properly Sighted-in Rifle

Before getting into the nitty-gritty of sighting in your rifle, let's discuss why it is important to do so. Simply put: accuracy! It doesn't matter how good the shooter or rifle is; if they're not correctly aligned with each other at the moment of firing, then rounds will miss their target.

Without proper alignment between shooter and firearm components like sights or scopes (if applicable), bullets won't hit where intended – which could cause injury/death should anyone be nearby as stray shots could potentially ricochet away from targets but still hit unintended objects nearby such as trees or rocks behind them!

Steps for Sighting In Your AR-15

To begin sighting-in process:

  1. Clean barrel thoroughly before starting
  2. Mount scope/sights onto gun
  3. Ensure gun unloaded & Point muzzle away from self/others when adjusting settings
  4. Adjust front/rear iron sights if applicable
  5. Start at close distance & work way up

Regardless of what method/combination being used below:
– Front/Rear Ironsights
– Scopes/Red Dots

Step-by-step instructions:

Step One: Choose Your Distance

The first thing that you need to determine when sighting-in an AR 15 is what distance range best suits your needs based on application/purpose.
If you are using the firearm for target practice, we suggest starting with a shorter distance (e.g., 25 yards). Conversely, if hunting or pursuing longer distances, start at 100 yards.
Once you've decided on your preferred range of fire and set up targets accordingly.

Step Two: Adjust Your Sights

When adjusting sights/scope onto gun:
– Start at lowest power setting & work way up
– Check that crosshairs align w/ target center
– Adjust rear windage/elevation knob to move reticle closer/further from bullseye

Once reticle is zeroed in,
-fire few rounds to ensure stability & accuracy.

Step Three: Practice Firing

Now that your AR 15 is properly sighted-in; it's time to test it out!

We recommend firing several rounds while maintaining proper shooting form and technique. This will help determine how accurate your rifle is and provide insight into any necessary adjustments required before heading out on the field/hunting trips where greater accuracy could mean life or death situations arise unexpectedly.

Benefits of Properly Sight-in Rifle

Properly sighting in an AR 15 can offer numerous benefits:

  1. Increased Accuracy – By ensuring proper alignment between shooter and firearm components like sights/scopes (if applicable), bullets will hit their targets with greater precision.
  2. Improved Confidence – Knowing that each shot fired has a high probability of hitting its targeted area can increase confidence when shooting under pressure.
  3. Better Hunting Experience – A properly sighted-in rifle ensures more humane kills/less suffering for game animals being hunted by reducing errors caused by incorrect alignment during critical moments when seconds count most!
  4. More Consistent Performance – Properly sight-adjusted rifles perform consistently across different environments/weather conditions.

Tips for Sighting In Your AR-15

Here are some tips to keep in mind as you go through the process of sighting in your AR-15:

  1. Take Time – Sighting-in the rifle takes time and patience. Do not rush through it.
  2. Use Proper Tools – Utilize appropriate tools like a bore sighter to align scope/sight with respect to gun’s barrel axis
  3. Practice Good Form/Technique when shooting
  4. Consider climate/weather conditions before heading out on hunt/trip.


Sighting in an AR 15 might seem like a daunting task, but it's essential for accuracy and consistency. By following the steps outlined in this article, you'll be able to sight in your rifle properly and enjoy all its benefits. Remember: take your time, use proper tools, practice good shooting form/technique & consider weather/climate factors before heading out!


What does it mean to "sight in" an AR-15, and why is it important?

Sighting in an AR-15 refers to the process of adjusting the sights on the firearm so that bullets hit a specific point on a target at a certain distance. This is important because even minor inaccuracies can drastically affect shooting accuracy, especially at longer distances.

To sight in your AR-15, you need to ensure that both the front and rear sights are properly aligned with each other. This is done by making adjustments until shots hit where you want them to. Once you have your rifle sighted-in correctly, your confidence level will increase significantly as you'll know exactly where each bullet will land when firing.

What equipment do I need for sighting in my AR-15?

In order to sight-in an ar 15 accurately and effectively, one should have:

  1. A quality optic: Choose either iron sights or scopes based on personal preferences.
  2. Sandbags or rests: These help hold up rifles steady while shooting.
  3. Quality ammunition: Use high-quality ammo for better consistency.
  4. Targets: These help identify how off-target shots are hitting.
  5. Measuring Tape/Ruler/Distance markers – Used for measuring distance between shooter/muzzle-to-target

While some people may use additional tools like bore-sighters or laser marking devices, these aren't necessary if you're using ironsights as they can be adjusted through trial & error.

How far away should my target be when sighting in my AR-15?

The best distance varies depending upon what firearm being used; however generally speaking 100 yards (91meters), which mimics common hunting ranges works just fine for most firearms including standard size ar 15s . When working with shorter barrels such as those found on pistol caliber carbines (PCC), consider decreasing this range by half due its inherent trajectory deviation over long distances.

It is important to keep in mind the purpose for which you intend to use the rifle. For example, a hunting rifle may be sighted-in at 100 yards while a tactical AR-15 might be sighted-in at 50 yards since shooting distances are likely going to be much closer in urban environments.

How do I adjust my front and rear sights?

Making adjustments depends on your type of sighting system as well as your particular firearm’s specifications. Regardless, there will almost always either be windage or elevation adjustments that need making.

For iron sights:

  1. Rear Sights – Adjustments can either push or pull the rear post left or right (windage), and up/down (elevation).
  2. Front Sights – Independently adjusting front post height can change bullet impact on targets (elevation).

For Scopes:

  1. Windage Adjustment – This moves scope's reticle left/right
  2. Elevation Adjustment – This moves scope's reticle up/down

Each adjustment will require a few shots before seeing where bullets are landing on target with respect to each adjustment made. If groupings move off center, continue making corrections accordingly until desired point-of-aim/point-of-impact is achieved.

What should I do if my AR-15 won't hold zero after being sighted-in?

If you've already properly adjusted your sights but find that it won't hold zero then it could indicate one of several issues.

  1. Barrel Harmonics – Every barrel has vibrations after firing each round; this constant motion affects shot accuracy.
  2. Loose mountings/screws
    3 )Deteriorated Optic: Over time scopes may become damaged internally due to continuous recoil

When this happens, take some steps such as tightening loose screws/mounts ensuring they stay securely tightened throughout use; Consider upgrading/replacing optics in case these have begun deteriorating performance-wise ; and taking proper care of your rifle such as cleaning it after each range visit to help prolong its lifespan.

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