How to Install an AR-15 Trigger Guard Presented by Larry Potterfield of MidwayUSA

Published on July 19, 2018
Duration: 1:48

This guide details the installation of an AR-15 trigger guard, emphasizing the critical need to support the receiver ears to prevent breakage. It covers proper alignment with the spring-loaded detent and the use of specific tools like a roll pin starter punch and a standard roll pin punch for a flush fit. Proper technique ensures the integrity of the lower receiver during this common AR-15 modification.

Quick Summary

When installing an AR-15 trigger guard, always support the receiver ears with a fixture to prevent breakage. Use a roll pin starter punch to begin, then a standard roll pin punch with a centering tip to drive the pin flush without marring the finish.

Chapters

  1. 00:00Positioning the Trigger Guard
  2. 00:30Supporting the Receiver Ears
  3. 00:57Installing the Roll Pin
  4. 01:40Conclusion & Recap

Frequently Asked Questions

What is the most critical step when installing an AR-15 trigger guard?

The most critical step is supporting the receiver ears with a fixture before driving the roll pin. Failure to do so can easily cause the ears to break, ruining the lower receiver.

What tools are needed to install an AR-15 trigger guard?

You'll need a roll pin starter punch to begin, a standard roll pin punch with a centering tip for driving the pin flush, a hammer, and a support fixture to protect the receiver ears.

How do you prevent damaging the AR-15 receiver during trigger guard installation?

Use a support fixture under the receiver ears and employ a roll pin punch with a centering tip. This prevents the pin from slipping and marring the finish, while the fixture prevents ear breakage.

What is the purpose of the spring-loaded detent on an AR-15 trigger guard?

The spring-loaded detent on the trigger guard engages with a hole on the right side of the lower receiver, helping to secure the guard in place and ensuring proper alignment during installation.

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