Benelli B76: An Obscure Italian Delayed Blowback Service Pistol (Repost)

Published on June 18, 2026
Duration: 18:25

This video provides an in-depth review and technical breakdown of the Benelli B76, an obscure Italian delayed blowback service pistol from the 1980s. Instructor Ian McCollum details its history, variations (including the sport and rare MP3S models), and unique mechanical operation. The video includes a step-by-step disassembly guide, highlighting its unusual internal mechanisms and correcting previous misconceptions about its locking system.

Quick Summary

The Benelli B76 is an obscure Italian pistol from the 1980s that employs a unique delayed blowback action. Unlike typical designs, its mechanism involves an angled bolt surface and a flapper piece that magnifies slide movement, slowing the breech opening to safely manage chamber pressure.

Chapters

  1. 00:00Introduction to the Benelli B76
  2. 00:31Correcting Mechanical Misconceptions
  3. 00:59History and Patent Information
  4. 01:23B77 and Sport Models
  5. 01:40The Rare MP3S Variant
  6. 02:09B82 in 9x18 Ultra
  7. 02:27Overview of Benelli B76 System Versions
  8. 02:45Taking the Benelli B76 Apart
  9. 02:59Standard B76 Features and Controls
  10. 03:33External Hammer and Trigger Operation
  11. 03:46Magazine Release and Capacity
  12. 04:15Slide Lock and Sights
  13. 04:48The MP3S Model and Case
  14. 05:02MP3S Specifics: Finish, Grip, Trigger
  15. 05:24Muzzle Weight and Disassembly Requirement
  16. 05:47Adjustable Rear Sight Details
  17. 05:57Disassembly Procedure
  18. 06:44Internal Mechanism: Bolt and Barrel
  19. 07:19Bolt Locking Mechanism Explained
  20. 07:40Delayed Blowback System Detailed
  21. 08:07How Pressure Delays Blowback
  22. 08:44Magnification of Force and Slide Movement
  23. 09:10Breech Block Interface and Slide Catch
  24. 09:40Additional Features: Fluted Chamber and Indicator
  25. 09:57Manufacturer Markings and Caliber
  26. 10:12Production Numbers and Rarity
  27. 10:34Reasons for Lack of Popularity
  28. 10:41Ergonomics and Comfort
  29. 10:56Range Test Preview

Frequently Asked Questions

What type of action does the Benelli B76 pistol use?

The Benelli B76 utilizes a delayed blowback action. This is a complex system that uses mechanical leverage to slow the opening of the breech, allowing chamber pressure to drop to a safe level before the slide cycles.

What are the different calibers the Benelli B76 was offered in?

The Benelli B76 was manufactured in 9mm Parabellum and 7.65 Parabellum. A related model, the B77, was chambered in .32 ACP, and the rare MP3S variant was available in 9mm Parabellum and .32 Smith & Wesson Long.

How is the Benelli B76 disassembled?

Disassembly involves removing the magazine, locking the slide to the rear with the safety, flipping two rear tabs, pushing the firing pin, dropping the locking block, and then sliding the slide off the front. The recoil spring and bolt are then removed from the frame.

What makes the Benelli MP3S variant special?

The MP3S is a rare, high-end version of the B76 designed for bullseye competition. It features a single-action-only trigger, a nicer finish, a muzzle weight, and uses a 5-round magazine. It was primarily offered in .32 Smith & Wesson Long for enhanced accuracy.

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