Ruger American Rimfire upgrade / MDT ACC Premier Gen 2

Published on March 19, 2026
Duration: 1:12

This guide details the process of upgrading a Ruger American Rimfire rifle by replacing its original plastic stock with an MDT ACC Premier Gen 2 chassis. The upgrade significantly enhances modularity with M-LOK compatibility for accessories and offers a fully adjustable buttstock and AR-pattern grip compatibility. The speaker, demonstrating experienced knowledge, highlights the substantial improvements in customization and ergonomics.

Quick Summary

Upgrading a Ruger American Rimfire with the MDT ACC Premier Gen 2 chassis provides substantial improvements in modularity and ergonomics. Key benefits include M-LOK compatibility for accessory mounting, an adjustable cheek riser and buttstock for personalized fit, and the option to use AR-pattern grips.

Chapters

  1. 00:00Original Ruger American Rimfire
  2. 00:10MDT ACC Premier Gen 2 Upgrade
  3. 00:21Old Stock Limitations
  4. 00:36New Chassis M-LOK Bottom
  5. 00:43New Chassis M-LOK Sides
  6. 00:48Adjustable Buttstock Features
  7. 00:56AR-Pattern Grip Compatibility
  8. 01:06Upgrade Conclusion

Frequently Asked Questions

What are the main benefits of upgrading a Ruger American Rimfire with an MDT ACC Premier Gen 2 chassis?

The MDT ACC Premier Gen 2 chassis significantly enhances the Ruger American Rimfire by adding M-LOK compatibility for accessories like bipods and lights, an adjustable cheek riser and buttstock for improved ergonomics, and compatibility with AR-pattern grips for greater customization.

How does the MDT ACC Premier Gen 2 chassis improve accessory mounting on the Ruger American Rimfire?

The chassis features M-LOK slots on both the bottom and sides. This allows for secure and versatile attachment of various accessories, such as bipods to the bottom rail and lights or lasers to the side rails, which is not possible with the original plastic stock.

What ergonomic adjustments are possible with the MDT ACC Premier Gen 2 chassis?

The MDT ACC Premier Gen 2 chassis offers a highly adjustable buttstock, including an adjustable cheek riser. This allows shooters to fine-tune their shooting position for optimal comfort, eye alignment with optics, and overall control of the rifle.

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