How To Install A Pistol Grip On AR Rifles

Published on March 7, 2025
Duration: 3:16

This guide from AT3 Tactical provides a step-by-step process for installing a pistol grip on an AR-15 lower receiver. It covers the necessary tools, including a 3/16in Allen wrench and a vice block, and details the simultaneous installation of the safety selector, detent, and selector spring. The video emphasizes careful alignment to prevent damage to small parts.

Quick Summary

To install an AR-15 pistol grip, first prep the lower receiver in a vice block. Then, install the safety selector in the 'safe' position, followed by the detent. Carefully align the selector spring into the pistol grip's hole, then guide the grip onto the lower. Finally, secure the grip with its screw using a 3/16in Allen wrench.

Chapters

  1. 00:00Introduction: Why Install a Pistol Grip
  2. 00:18Tools and Parts Needed
  3. 01:05Step 1: Prep Your Lower Receiver
  4. 01:12Step 2: Install the Safety Selector
  5. 01:34Step 2 (cont.): Install the Detent
  6. 01:49Step 3: Install the Pistol Grip and Spring
  7. 02:24Step 4: Secure the Pistol Grip Screw
  8. 02:55Conclusion and Next Steps

Frequently Asked Questions

What tools are essential for installing an AR-15 pistol grip?

You will primarily need a 3/16in Allen wrench for the grip screw. A T-handle hex key can provide better leverage. If your grip screw is flathead, a long-handled flathead screwdriver is necessary. A vice block is also highly recommended for securing the lower receiver during the process.

What parts must be installed along with an AR-15 pistol grip?

When installing a pistol grip on an AR-15 lower receiver, you must also install the safety selector, the selector spring, and the detent. These components work together to ensure the safety mechanism functions correctly.

How can I avoid damaging the selector spring during pistol grip installation?

Carefully align the selector spring with its designated hole on the lower receiver before guiding the pistol grip into place. Avoid forcing the grip down, as this can easily bend or break the delicate spring. Ensure the spring is seated properly in the grip's hole first.

What is the recommended position for the safety selector during pistol grip installation?

It is recommended to place the safety selector in the 'safe' position before installing it into the lower receiver. This orientation helps ensure that the small notch on the selector properly interfaces with the detent, which is crucial for correct function.

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