The Beretta AR-70: Big Boss’s Assault Rifle

Published on December 27, 2025
Duration: 16:38

This guide details the field stripping process for the Beretta AR-70, a Cold War-era assault rifle. The video, presented by Brandon Herrera, demonstrates a comprehensive disassembly, highlighting its AK-derived piston system and AR-style pins. Herrera, exhibiting high authority and deep knowledge, walks viewers through each step, emphasizing the importance of understanding the rifle's internal mechanics for maintenance and reliability.

Quick Summary

The Beretta AR-70, famously wielded by Big Boss in Metal Gear Solid V, is a 1970s Italian assault rifle combining AK-style long-stroke piston reliability with NATO ergonomics and the 5.56mm cartridge. It features AR-15-like receiver pins for easier disassembly.

Chapters

  1. 00:00Cold War Weapon Development Intro
  2. 00:30Beretta AR-70 Introduction & MGSV
  3. 01:56History and Development
  4. 02:32Design Philosophy: AK Reliability + NATO Ergonomics
  5. 05:33Ergonomics and Controls
  6. 06:07Beretta and Sig Lineage
  7. 07:24Practical Manipulation Demo
  8. 10:13Sig PE90 Comparison
  9. 12:44Field Stripping and Internals

Frequently Asked Questions

What is the Beretta AR-70 known for?

The Beretta AR-70 is recognized as Big Boss's standard assault rifle in the video game Metal Gear Solid V: The Phantom Pain. It's also noted for its Cold War-era design, combining AK-like reliability with NATO standards.

What is the design philosophy behind the Beretta AR-70?

The Beretta AR-70 was designed to integrate the proven reliability of the AK platform's long-stroke piston system with modern NATO ergonomics and the 5.56mm cartridge, aiming for a robust and effective combat rifle.

How does the Beretta AR-70 compare to the Sig Sauer PE90?

While both are robust rifles, the Beretta AR-70 features an AK-derived piston system. The Sig PE90 (Sig 550) is often praised for its exceptionally gentle recoil and high-quality Swiss craftsmanship, stemming from a shared development history.

What are the key internal components of the Beretta AR-70?

The Beretta AR-70 features a gas-operated, rotating bolt system with a long-stroke piston. Its disassembly reveals AR-style push pins and a unique recoil spring mounted on the piston itself.

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