Front and Rear Takedown Pins #556

Published on January 25, 2025
Duration: 0:58

This guide details the installation of front and rear takedown pins on an AR-15 lower receiver, drawing from an instructional video by Gear And Guns. It covers component identification, spring tension customization, and common assembly pitfalls like flying detents. The process includes specific steps for both front and rear pin installation, emphasizing the use of a set screw for the rear pin if available, and concludes with a tension check.

Quick Summary

Installing AR-15 takedown pins involves identifying components like springs, detents, and pins. For the front pin, the spring can be trimmed for desired resistance, but care must be taken to prevent the detent from flying out. The rear pin requires notch alignment and is secured with a set screw if available, otherwise by the receiver endplate.

Chapters

  1. 00:00Introduction and Parts List
  2. 00:09Front Takedown Pin Installation
  3. 00:28Rear Takedown Pin Installation
  4. 00:54Conclusion

Frequently Asked Questions

What components are needed to install AR-15 takedown pins?

You will need two springs, two detents, the front and rear takedown pins, and potentially a small set screw if your lower receiver has a threaded hole for the rear pin assembly.

How can I customize the release resistance of the front takedown pin?

The video suggests trimming the front takedown pin spring to your desired release resistance. This allows for a more personalized feel and potentially a more secure lock-up.

What is a common mistake when installing AR-15 takedown pins?

A common mistake is allowing the detent to fly out during installation, especially when working with the spring. Careful handling and proper technique are crucial to prevent this.

How is the rear takedown pin secured if a set screw is not used?

If your AR-15 lower receiver does not have a threaded hole for a set screw, the receiver endplate will ultimately hold the rear detent and spring in place once it is installed.

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