How To: AR Magazine fit fix

Published on December 3, 2014
Duration: 1:10

This guide explains how to adjust the magazine release on an AR-15 platform rifle to ensure proper fit and function with various magazines. By understanding the mechanism and making small rotational adjustments to the magazine release screw, users can achieve a reliable seating and release for different magazine brands, addressing common fitment issues.

Quick Summary

To adjust an AR-15 magazine release for better fit, ensure the firearm is unloaded. Push the release inward until it clears the bolt release, then rotate the release screw counter-clockwise. Test magazine seating and release after each full rotation until it seats firmly but drops easily. This addresses variations between magazine brands.

Chapters

  1. 00:01Magazine Fit Problems
  2. 00:22Identifying the Issue
  3. 00:27Tools for Adjustment
  4. 00:34Adjustment Procedure
  5. 00:42Testing and Fine-Tuning
  6. 00:47Factors Affecting Fit

Frequently Asked Questions

How do I adjust an AR-15 magazine release for better fit?

To adjust an AR-15 magazine release, first ensure the firearm is unloaded. Then, use a dowel or cleaning rod to push the release inward until it clears the bolt release. You can then rotate the release screw counter-clockwise to adjust the fit. Test magazine seating and release after each full rotation until it seats firmly but drops easily.

Why do some AR-15 magazines not fit well?

AR-15 magazine fit can vary due to slight differences in receiver tolerances, magazine feed lip distance, and the material composition of the magazines themselves. These variations can cause some magazines to seat too loosely or too tightly, affecting reliability.

What tools are needed to adjust an AR-15 magazine release?

For adjusting an AR-15 magazine release, you will typically need a slender tool like a dowel, a cleaning rod, or even a live round to depress the release mechanism. The adjustment itself is made by rotating a screw on the magazine release.

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