Bear Creek Arsenal and Aero Precision 22WMR rifle build bio. It’s pretty good, and tons of fun

Published on January 18, 2024
Duration: 3:25

This video details a custom 22 WMR AR-15 build featuring a Bear Creek Arsenal side-charging upper on an Aero Precision M4E1 lower. The presenter emphasizes the critical need for a carbine-length buffer system with side-charging uppers to prevent damage to the charging handle. The build incorporates various aftermarket parts for enhanced performance and ergonomics.

Quick Summary

A Bear Creek Arsenal side-charging AR-15 upper requires a carbine-length buffer tube and spring. Using a rifle-length system will cause the charging handle to smash against the receiver due to the shorter travel slot, leading to damage. The upper includes its own buffer and spring to limit bolt travel.

Chapters

  1. 00:00Introduction to the 22 WMR AR-15 Build
  2. 00:10Bear Creek Arsenal 22 WMR Side Charging Upper
  3. 00:23Buffer System Requirements for Side Chargers
  4. 01:00Build Components: Upper and Lower Receiver
  5. 01:16Internal Lower Parts Kit and Trigger
  6. 01:32Stock, Grip, and Controls
  7. 01:41Optics and Mounting System
  8. 01:58Angled Foregrip and Bipod Mount
  9. 02:08Compensator and Muzzle Device
  10. 02:28Original Muzzle Device vs. New Compensator
  11. 02:40Cost and Versatility of the Lower Receiver
  12. 02:55Functionality of the 22 WMR Build
  13. 03:04Enjoyment and Fun Factor
  14. 03:0722 WMR in AR Platform Discussion
  15. 03:10Conclusion and Support for 2A Rights

Frequently Asked Questions

What is the critical buffer system requirement for a Bear Creek Arsenal side-charging AR-15 upper?

A Bear Creek Arsenal side-charging AR-15 upper absolutely requires a carbine-length buffer tube and spring. Using a rifle-length system will cause the charging handle to smash against the receiver due to the shorter travel slot, leading to damage.

What are the key components of the custom 22 WMR AR-15 build shown?

The build features a Bear Creek Arsenal 22 WMR side-charging upper, an Aero Precision M4E1 stripped receiver in FDE Cerakote, an LBE Unlimited lower parts kit with a crisp trigger, Magpul MOE furniture, and a Simmons 3-9x40 scope.

Why is a specific buffer and spring included with the Bear Creek Arsenal 22 WMR upper?

The Bear Creek Arsenal 22 WMR upper comes with its own spring and buffer specifically designed to limit the travel of the bolt. This is crucial for proper function and reliability within the AR-15 platform, especially with rimfire cartridges.

Can an Aero Precision M4E1 lower receiver be used with other AR-15 uppers?

Yes, the Aero Precision M4E1 lower receiver, when configured with a carbine buffer system, is versatile and can be swapped with other AR-15 uppers, provided they also utilize a carbine buffer system for compatibility.

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