Steyr MPi-81

Published on August 9, 2019
Duration: 5:40

This video provides an expert-level overview of the rare Steyr MPi-81 submachine gun, presented by Larry Vickers. It details the weapon's design, history as an Uzi variant, and technical specifications, including its progressive trigger and collapsible stock. The review includes a critical assessment of the trigger mechanism and an extensive live-fire demonstration highlighting its performance and controllability.

Quick Summary

The Steyr MPi-81 is an Austrian submachine gun, essentially Steyr's take on the Uzi, featuring a simplified charging handle, collapsible wire stock, and telescoping bolt for compactness. It fires 9x19mm Parabellum with a cyclic rate of 700 RPM, but its progressive trigger can lead to accidental full-auto fire under stress.

Chapters

  1. 00:00Introduction and Shooting Montage
  2. 00:31History and Comparison to Uzi/MPi-69
  3. 00:55Design: Collapsible Stock & Telescoping Bolt
  4. 01:23Magazines and Dual-Column Feed
  5. 01:39Trigger Mechanism Critique
  6. 02:27Technical Specifications
  7. 02:44Sights and Optics Discussion
  8. 03:31Live Fire Demonstration

Frequently Asked Questions

What is the Steyr MPi-81 and how does it compare to the Uzi?

The Steyr MPi-81 is an Austrian submachine gun developed by Steyr. It is essentially Steyr's version of the popular Uzi submachine gun, sharing many design characteristics. The main difference lies in its simplified charging handle mechanism.

What are the key design features of the Steyr MPi-81?

The MPi-81 features a collapsible wire stock similar to the M3 Grease Gun and uses a telescoping bolt design for compactness, like the Uzi. It also utilizes dual-column feed magazines, making them easier to load than many contemporary SMGs.

What is the critical feedback on the Steyr MPi-81's trigger mechanism?

Larry Vickers critiques the MPi-81's progressive trigger, which requires a half-pull for semi-auto and a full-pull for full-auto. He notes that under stress, users may inadvertently fire in full-auto due to this design.

What are the technical specifications of the Steyr MPi-81?

The Steyr MPi-81 has a 10.2-inch barrel, weighs just under 7 pounds empty, and fires 9x19mm Parabellum. Its cyclic rate of fire is approximately 700 rounds per minute.

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