MP9 and TP9: A Complete History From Steyr to B&T

Published on October 21, 2024
Duration: 1:00

This video details the history and technical evolution of the B&T MP9/TP9, tracing its origins from a Steyr project. Key improvements by B&T include the addition of a stock and the adoption of a standard Picatinny rail. The firearm's unique rotating barrel, short recoil operation, and innovative bolt manipulation feature using a 9mm cartridge are highlighted.

Quick Summary

The B&T MP9/TP9 evolved from a Steyr project, acquired by Brügger & Thomet. B&T enhanced it with a stock and a standard Picatinny rail. It operates via a short recoil, rotating barrel mechanism and features a unique bolt manipulation hole sized for a 9mm cartridge.

Chapters

  1. 00:00Introduction: Steyr Origins & B&T Acquisition
  2. 00:10B&T's Key Improvements: Stock & Picatinny Rail
  3. 00:19Technical Overview: 9mm Rotating Barrel Subgun/PCC
  4. 00:29Mechanical Comparison: Steyr vs. B&T Barrels
  5. 00:45Unique Bolt Manipulation Feature with 9mm Cartridge

Frequently Asked Questions

What is the origin of the B&T MP9/TP9?

The B&T MP9/TP9 originated from a project by Steyr. Brügger & Thomet (B&T) later purchased the rights to this project, allowing them to develop and modernize the firearm.

What were the main improvements B&T made to the Steyr design?

B&T's primary improvements included adding a functional stock for better stability and replacing Steyr's proprietary optics mounting system with a standard Picatinny rail, enhancing accessory compatibility.

How does the B&T MP9/TP9 operate?

The firearm is a 9mm submachine gun/PCC that utilizes a short recoil-operated system with a rotating barrel. This design contributes to its reliability and compact nature.

Does the MP9/TP9 have any unique operational features?

Yes, a notable feature is the bolt's integrated hole, precisely sized for a 9mm cartridge. This allows the cartridge case to be used as a tool to manually cycle the bolt.

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