Angstadt Arms MDP-9: MP5 Meets AR15

Published on August 19, 2022
Duration: 16:38

The Angstadt Arms MDP-9 is a 9mm roller-delayed blowback carbine that blends MP5 mechanics with AR-15 ergonomics. It offers reduced recoil compared to simple blowback PCCs and accepts Glock magazines. While featuring a modular design and a compact form factor, its last-round bolt hold-open can be inconsistent, and the trigger and safety are noted as minor drawbacks.

Quick Summary

The Angstadt Arms MDP-9 is a 9mm carbine featuring a roller-delayed blowback system, offering reduced recoil similar to an MP5. It accepts Glock magazines and has a 5.85-inch barrel with a tri-lug adapter, blending AR-15 modularity with classic firearm mechanics.

Chapters

  1. 00:00Introduction to the Angstadt Arms MDP-9
  2. 01:18Simple Blowback vs. Delayed Blowback Explained
  3. 03:40Angstadt Arms Background and UDP-9 Evolution
  4. 04:09MDP-9 External Features and Stock Options
  5. 06:01Lower Receiver, Controls, and Glock Magazine Compatibility
  6. 08:06Last-Round Bolt Hold-Open Reliability Test
  7. 09:41Field Stripping and Disassembly of the MDP-9
  8. 11:30Detailed Explanation of the Roller-Delayed Mechanism
  9. 13:36Internal Components and Barrel Specifications
  10. 15:37Final Assessment and Teaser for SP5 Comparison

Frequently Asked Questions

What makes the Angstadt Arms MDP-9 different from other 9mm carbines?

The MDP-9 uses a roller-delayed blowback operating system, similar to the HK MP5, which reduces felt recoil and allows for a lighter bolt compared to the simple blowback systems found in most 9mm carbines.

What type of magazines does the Angstadt Arms MDP-9 use?

The MDP-9 is designed to accept Glock magazines, offering compatibility with a widely available and popular magazine platform for 9mm firearms.

What are the key external features of the Angstadt Arms MDP-9?

The MDP-9 is available as an SBR, pistol brace configuration, or standalone pistol. It features a Picatinny rail on the rear for stock attachments and accepts standard AR-15 grips.

What is the barrel length and threading on the Angstadt Arms MDP-9?

The MDP-9 has a 5.85-inch barrel chambered in 9mm. It comes with a tri-lug adapter over standard 1/2x28 threads, making it ready for suppressors or other muzzle devices.

Related News

All News →

More Reviews Videos You Might Like

More from Forgotten Weapons

View all →