What Happens When You Combine an MP5 with a Glock-mag AR-15? The Angstadt MDP-9

Published on July 17, 2022
Duration: 21:00

This expert review from TFB TV's James Reeves analyzes the Angstadt MDP-9, a 9mm PCC that integrates a Glock-magazine-fed AR-15 platform with a Heckler & Koch-inspired roller-delayed blowback operating system. The MDP-9 offers a bufferless design, ambidextrous controls, and exceptional recoil mitigation, making it a high-performance option for discerning shooters. However, its premium price point positions it as a niche product in a competitive market.

Quick Summary

The Angstadt MDP-9 is a 9mm Pistol Caliber Carbine (PCC) that distinguishes itself with a roller-delayed blowback operating system, inspired by the H&K MP5. This advanced system allows for a bufferless design and significantly reduced recoil, offering a softer shooting experience and improved control during rapid fire, despite its lightweight construction.

Chapters

  1. 00:00Introduction to AR-9 Operating Systems
  2. 01:44Mechanical Delay vs. Straight Blowback
  3. 03:12Roller Delayed Blowback Explained
  4. 04:32Angstadt Arms History and the MDP-9
  5. 06:04Technical Specs and Features
  6. 08:11Magazine Compatibility and Ergonomics
  7. 11:27Range Testing at Thunder Ranch
  8. 13:36Suppressed Performance
  9. 17:25Market Assessment and Conclusion

Frequently Asked Questions

What makes the Angstadt MDP-9 unique compared to other 9mm AR-style firearms?

The Angstadt MDP-9 stands out by incorporating a roller-delayed blowback operating system, similar to the H&K MP5, which significantly reduces felt recoil and allows for a bufferless design, unlike many standard AR-9s that use direct impingement or straight blowback systems.

How does the roller-delayed blowback system in the MDP-9 affect its performance?

The roller-delayed blowback system in the MDP-9 allows for a lighter bolt carrier group and delayed unlocking, resulting in exceptionally soft recoil impulse. This enables faster follow-up shots and improved control, even during rapid fire, making it shoot much softer than its weight suggests.

What are the advantages and disadvantages of the MDP-9 using Glock magazines?

Using Glock magazines offers commonality with popular handguns and affordability. However, Glock magazines are double-stack, single-feed, which can make manual loading more difficult than double-feed designs. The magazine release mechanism also requires careful engineering for reliable function in a carbine.

Is the Angstadt MDP-9 considered a good value for its price?

The MDP-9 is priced around $2,700, placing it in a premium niche. While its advanced roller-delayed system and performance are highly praised, its cost is a significant factor, positioning it against established high-end manufacturers rather than budget-friendly PCCs.

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