MP5/10: FBI's super-charged submachine gun, with firearms expert Jonathan Ferguson

Published on November 29, 2023
Duration: 19:13

The Heckler & Koch MP5/10, developed for the FBI's HRT in 1991, is a 10mm Auto variant of the iconic MP5 submachine gun. It features a larger receiver, a paddle-style magazine release, and a crucial bolt hold-open device requested by the FBI for faster reloads. While offering greater stopping power than 9mm, the 10mm caliber's adoption by the FBI was short-lived, eventually leading to the .40 S&W.

Quick Summary

The Heckler & Koch MP5/10 is a 10mm Auto submachine gun variant developed for the FBI's HRT in 1991. It features a larger receiver, a paddle magazine release, and a crucial bolt hold-open device requested by the FBI for faster reloads.

Chapters

  1. 00:00Introduction to the MP5/10
  2. 00:51Magazine and Caliber Details (10mm Auto)
  3. 02:41FBI Development History
  4. 04:41External Design Variations
  5. 07:05Bolt Hold-Open Device Feature
  6. 08:29Internal Mechanical Differences
  7. 11:46Pop Culture Legacy (Rainbow Six)

Frequently Asked Questions

What was the purpose of the Heckler & Koch MP5/10?

The MP5/10 was developed in 1991 for the FBI's Hostage Rescue Team, aiming to provide a submachine gun chambered in the more potent 10mm Auto cartridge for increased stopping power.

What unique feature did the FBI request for the MP5/10?

The FBI requested a bolt hold-open device for the MP5/10. This allows the bolt to lock back on an empty magazine, facilitating faster reloads, similar to the functionality found on an AR-15 rifle.

How does the MP5/10 differ physically from the standard 9mm MP5?

The MP5/10 receiver is physically larger to accommodate the 10mm cartridge, featuring a wider magazine well. It also utilizes a paddle-style magazine release instead of the traditional push-button.

Why did the FBI initially adopt 10mm Auto for the MP5/10?

Following the 1986 Miami shootout, the FBI sought a more effective 'man-stopper' round. The 10mm Auto was chosen for its superior stopping power compared to the 9mm Parabellum.

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