How to Sight in a Red Dot Scope Without Shooting (Explained in Plain English)

 

Sighting in a red dot scope is a crucial step to ensure accuracy and precision in shooting. Usually, sighting in involves shooting rounds at a target to align your optic with your rifle. But what if you want to sight in a red dot scope without firing a single shot? Whether you’re trying to save ammunition, avoid noise, or simply want to be more efficient, it’s absolutely possible to sight in a red dot scope without shooting. This article will walk you through step-by-step, using plain English to explain the process. Let’s get started!

Why Sight in a Red Dot Scope Without Shooting?

Before we dive into the process, let’s quickly discuss why someone might want to sight in without firing a round. Here are a few common reasons:

  1. Saving Ammo: Ammunition can be expensive, especially during periods of high demand. Sighting in without firing can save you money.
  2. Noise Reduction: If you live in an area where firing a gun can disturb neighbors or break local laws, sighting in without shooting helps maintain peace.
  3. Time Efficiency: Sighting in without firing can be quicker than a traditional range day, especially if you just need a basic alignment before fine-tuning at the range.
  4. Indoor Setup: You may want to prepare your firearm at home or in another indoor environment where shooting isn’t an option.

What You’ll Need to Sight in a Red Dot Scope Without Shooting

To successfully sight in your red dot scope without shooting, you’ll need a few items to ensure everything is aligned correctly. Here’s a quick list of essential tools:

  • Your Rifle or Firearm: Make sure it’s unloaded for safety.
  • Red Dot Scope: Mounted securely on your firearm.
  • A Bore Sighter: This is the primary tool you’ll use for aligning the optic without firing.
  • A Stable Rest or Vise: Something to keep your firearm steady during the process.
  • Targets or a Reference Point: For aligning the red dot.

Step 1: Safety First

Whenever working with a firearm, always make safety your number one priority. Before you do anything, double-check that your firearm is unloaded. Remove the magazine, open the action, and check the chamber. It’s essential to ensure that there’s no ammunition present in the gun to prevent any accidents.

Additionally, make sure your workspace is clear, and follow any local laws or safety regulations regarding firearms. Even though you won’t be shooting, treating your firearm with respect is crucial.

Step 2: Mount the Red Dot Scope Properly

Before you can sight in your red dot, you need to ensure it’s mounted correctly on your firearm. Here’s how to do it properly:

  1. Check Compatibility: Ensure that the red dot scope is designed to fit your rifle or pistol. The mounting system should align with your firearm’s rail.
  2. Align the Scope: Place the scope on the rail and ensure it is positioned in a way that gives you a clear view through the optic when you’re in your natural shooting stance.
  3. Tighten Mounting Screws: Once the scope is positioned, use a torque wrench or screwdrivers to tighten the mounting screws. Make sure they are snug but not over-tightened to avoid damaging the scope.

Having a properly mounted scope is crucial because any misalignment can throw off the accuracy of your sight.

Step 3: Set Up a Stable Rest

Now that your red dot scope is mounted, it’s time to place your firearm in a stable position. A rifle vise or sandbags are great options for keeping the gun steady during the sighting process.

  • Why Stability Matters: Keeping the gun stable prevents movement, ensuring the bore and red dot stay in proper alignment throughout the process. If the firearm moves around, it will be hard to get consistent results.

Place your rifle or pistol in the rest and make sure it’s secure.

Step 4: Use a Bore Sighter

A bore sighter is a tool that helps you align the scope with the bore (the inside of the barrel) of your firearm. There are two main types of bore sighters:

  1. Laser Bore Sighters: These emit a laser beam that projects out from the muzzle, allowing you to see where the barrel is pointing.
  2. Magnetic or Insert Bore Sighters: These types of bore sighters physically align with the bore and have markings to help with the adjustment.

Here’s how to use a laser bore sighter to sight in your red dot scope:

  1. Insert the Bore Sighter: Attach or insert the bore sighter into the barrel of your firearm. For a laser bore sighter, ensure that the laser is functioning and emitting a clear beam.
  2. Aim at a Target or Reference Point: Place a target or select a reference point at the distance you plan to zero your rifle. For most red dots, this will be around 25 to 50 yards. If you’re indoors, you can simulate this with a smaller target closer to you, but keep in mind that real-world adjustments may still be necessary later on.
  3. Observe the Laser: Once the bore sighter is in place, look at where the laser is projecting on the target. This shows where the bore is pointing.

Step 5: Adjust the Red Dot to Match the Bore

With the bore sighter in place and the laser showing where the barrel is pointing, it’s time to adjust the red dot to align with that point. Follow these steps:

  1. Turn on the Red Dot: Power on your red dot sight and look through the optic.
  2. Find the Laser’s Dot on the Target: Note where the laser from the bore sighter is hitting the target or reference point.
  3. Adjust the Windage and Elevation: Use the adjustment dials on the red dot scope to move the red dot until it is aligned with the laser from the bore sighter.
    • Windage: This controls the horizontal movement (left to right) of the red dot.
    • Elevation: This controls the vertical movement (up and down) of the red dot.

Adjust these settings carefully, so the red dot is precisely centered on the point where the laser is projecting.

Pro Tip: When making adjustments, go slowly and in small increments. Moving the red dot too much at once can lead to over-correction, requiring more adjustments.

Step 6: Double-Check Alignment

After adjusting the red dot, double-check that everything is still properly aligned. Here’s how:

  1. Remove the Bore Sighter: Once you’re satisfied with the alignment, remove the bore sighter from the barrel.
  2. Recheck the Red Dot: Look through the red dot scope at your target or reference point. The red dot should still be in the same place you aligned it with the bore sighter. If not, make any final adjustments to ensure everything is lined up.

Step 7: Fine-Tune at the Range (Optional but Recommended)

Although this method gets your red dot aligned with the bore of your firearm, real-world shooting conditions can cause slight variations. If possible, take your firearm to the range and fine-tune the red dot alignment by firing a few rounds.

  • Start with a 25-Yard Zero: This is a common distance for red dot sights. Fire a group of 3-5 shots and adjust your red dot scope based on where the rounds hit.
  • Fine-Tune for Your Needs: If you plan to shoot at different distances, you can make additional adjustments based on your preferred range.

Conclusion

Sighting in a red dot scope without shooting is a useful technique that can save you time, money, and effort. With the right tools—mainly a bore sighter and a stable rest—you can align your optic without firing a single round. This method is especially helpful for prepping at home or ensuring your scope is close to zero before heading to the range.

Remember, while this process will get you close, fine-tuning at the range is still recommended for pinpoint accuracy. Happy sighting!

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