Smyth Busters: Storing an AR With the Bolt Locked Open

Published on March 14, 2023
Duration: 5:52

This guide details the technique for storing an AR-15 with the bolt locked open, a practice debunked as harmful to the buffer spring. The video, featuring Steve and Caleb from Brownells, emphasizes that buffer springs are designed to handle constant tension and wear through cycling, not static compression. Storing the bolt open allows for immediate visual confirmation of an empty chamber, a common armory procedure. However, caution is advised regarding accidental loading if a magazine is present.

Quick Summary

Storing an AR-15 with the bolt locked open is a safe practice that does not damage the buffer spring. Springs wear through cycling, not static compression. This storage method allows for immediate visual confirmation of an empty chamber, though removing the magazine is recommended to prevent accidental loading if the rifle is bumped.

Chapters

  1. 00:00Introduction & Myth Presentation
  2. 01:26The Myth: Bolt Open Storage
  3. 02:23Spring Mechanics and Fatigue Explained
  4. 03:10Practical Considerations and Safety
  5. 04:46Myth Busted & Conclusion

Frequently Asked Questions

Is it safe to store an AR-15 with the bolt locked open?

Yes, storing an AR-15 with the bolt locked open is a safe practice and does not harm the buffer spring. This method allows for immediate visual confirmation that the chamber is empty, a common procedure in armories.

Will storing an AR-15 with the bolt locked open damage the buffer spring?

No, this myth is busted. Buffer springs are designed to handle constant tension and wear through cycling, not from remaining in a static compressed state. Storing the bolt open does not cause undue stress or damage to the spring.

What are the safety considerations when storing an AR-15 with the bolt locked open?

While storing with the bolt open confirms an empty chamber, be aware that a physical bump can cause the bolt to slam shut. For added safety, it's recommended to remove the magazine to prevent accidental loading.

How do buffer springs in AR-15s actually wear out?

Buffer springs experience wear primarily through the repeated action of compression and decompression during the firearm's cycling process. They are not negatively affected by being held in a static compressed state for extended periods.

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