How To Remove Front Sight On Ar15 A2

The AR15 A2 is a versatile and popular firearm used by enthusiasts, sports shooters, and law enforcement personnel. A crucial component of this rifle is the front sight, which plays a vital role in aiming and accuracy. However, there are instances where you might need to remove the front sight, either for maintenance, replacement, or customization purposes. In this guide, we’ll walk you through the step-by-step process of removing the front sight on your AR15 A2 safely and efficiently.

1Gather the necessary tools: a pin punch and a hammer.
2Ensure the firearm is unloaded and the safety is on.
3Locate the front sight post on the AR-15 A2 rifle.
4Use the punch to push out the front sight post detent.
5Make sure to catch the small detent spring when it pops out.
6Once the detent and spring are removed, unscrew the front sight post.
7Use the pin punch to tap the front sight post out.
8Be careful not to damage the upper receiver or other parts while removing the front sight post.
9Once the front sight post is out, clean the area and inspect for any damage or wear.
10If desired, replace the front sight post with a new one or consider alternative sighting options.
11Reassemble the front sight post by screwing it back in and inserting the detent and spring.

Understanding the Front Sight on AR15 A2

Before we dive into the removal process, it’s essential to understand the significance of the front sight. The front sight is a critical part of the AR15 A2’s iron sights system. It provides a reference point for aligning the rifle and aiming accurately at the target. Proper alignment of the front sight is crucial for achieving consistent shot placements.

To remove the front sight, you’ll need some basic tools like a punch set, hammer, and a front sight tool (optional but recommended). Having these tools at hand ensures a smooth and hassle-free removal process.

Safety Measures Before Removal

Safety should always be the top priority when handling firearms. Before attempting to remove the front sight, follow these safety measures:

  • Unload the Firearm: Double-check that your AR15 A2 is unloaded. Remove the magazine and check the chamber to ensure there are no rounds present.
  • Ensuring a Safe Workspace: Choose a well-ventilated and well-lit area for the removal process. Lay down a soft cloth or mat to prevent scratches on the rifle’s surface.

Step-by-Step Guide to Remove Front Sight on AR15 A2

Follow these steps to remove the front sight:

  • Removing the Handguard: Begin by removing the handguard to access the front sight assembly. Use the appropriate tools to disengage any retaining clips or screws holding the handguard in place.
  • Loosening the Front Sight Post: With the handguard removed, locate the front sight post at the front end of the barrel. Use a sight adjustment tool to loosen the front sight post and make it flush with the sight base.
  • Removing the Taper Pins: The front sight assembly is secured to the barrel with taper pins. Carefully tap out these pins using a punch and hammer. Be gentle to avoid damaging the pins or the sight base.
  • Taking off the Front Sight Housing: Once the taper pins are removed, you can slide the front sight housing forward and detach it from the barrel.

Dealing with Stuck Front Sights

In some cases, the front sight might be stuck due to various reasons. Common causes include rust, debris, or improper installation. If you encounter a stuck front sight, follow these steps to address the issue:

  • Applying Penetrating Oil: Apply a small amount of penetrating oil to the junction between the front sight housing and the barrel. Allow it to sit for a few minutes to loosen any rust or debris.
  • Using Heat: If the front sight remains stuck, you can use gentle heat from a heat gun or a hairdryer to expand the metal slightly, making it easier to remove.

Replacing the Front Sight

After successfully removing the front sight, you might need to replace it with a new one. Follow these steps for a proper replacement:

  • Installing a New Front Sight: Slide the new front sight housing onto the barrel and align it correctly. Insert the taper pins back into their respective holes.
  • Properly Aligning the New Sight: Use a front sight tool to ensure the front sight post is precisely aligned for proper aiming.

Using a Front Sight Tool

Using a dedicated front sight tool can simplify the removal and installation process. These tools are designed to fit the front sight post securely, making adjustments much easier. To use a front sight tool:

Place the Tool over the Front Sight Post: The tool should fit snugly over the front sight post.

Rotate the Tool to Adjust the Front Sight: Turn the tool to adjust the front sight post up or down until it’s properly aligned.

Maintaining Your Front Sight

Regular maintenance of your front sight ensures optimal performance and longevity. Here are some tips:

  • Cleaning and Lubricating the Sight Components: Keep the front sight clean and well-lubricated to prevent rust and ensure smooth adjustments.
  • Regular Inspection and Adjustments: Periodically check the front sight alignment and make necessary adjustments for accuracy.

Common Mistakes to Avoid

During the removal process, avoid these common mistakes:

  • Over-tightening Taper Pins: Be cautious not to overtighten the taper pins, as this could cause damage to the sight base or barrel.
  • Damaging the Sight Post During Removal: Use appropriate tools and apply gentle force to avoid damaging the sight post during removal.

Frequently Asked Questions [FAQs]

What is the purpose of a front sight on an AR15 A2?

The front sight serves as a reference point for aiming the AR15 A2 accurately. It works in conjunction with the rear sight to align the firearm with the target.

Can I remove the front sight without specialized tools?

While it is possible to remove the front sight without specialized tools, using a front sight tool can make the process easier and more precise.

How often should I inspect and maintain my front sight?

It’s a good practice to inspect and maintain your front sight regularly. Consider cleaning and lubricating it every few months or after extended use.

Are there any aftermarket front sights worth considering?

Yes, there are various aftermarket front sights available that offer different features and designs to suit individual preferences.

Should I seek professional help if I encounter difficulties during removal?

If you encounter significant difficulties or feel uncomfortable with the removal process, it’s best to seek assistance from a professional gunsmith to avoid any potential damage to your firearm.


Knowing how to remove the front sight on your AR15 A2 is a valuable skill for any firearm owner. Whether it’s for maintenance, replacement, or customization, following the right steps and safety measures is crucial. With the proper tools and techniques, you can confidently remove and replace the front sight without any issues.

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