Beretta AR70/90 Post WWII Small Arms Development ๐ŸคŒ๐Ÿป

Published on March 28, 2023
Duration: 29:51

This video provides an in-depth look at the Beretta AR70/90, an Italian military rifle. It details the rifle's development post-WWII, its technical specifications, and a comprehensive disassembly and reassembly process. The presenter highlights key features like its stamped receiver, long-stroke piston system, and its evolution from earlier Italian designs to its eventual replacement by the ARX160.

Quick Summary

The Beretta AR70/90 is an Italian military rifle adopted in 1990, featuring a stamped receiver, long-stroke piston system, and select-fire capability (safe, semi, burst). It uses STANAG magazines and is chambered in 5.56 NATO, with a 1:7 twist barrel for SS109 ammunition. Its design evolved from earlier Italian service rifles and was eventually replaced by the ARX160.

Chapters

  1. 00:05Introduction to Beretta AR70/90
  2. 00:52Post WWII Italian Small Arms History
  3. 01:01NATO Standardization and the BM59
  4. 01:30BM59 Specifications
  5. 01:57Transition to Small Caliber Rifles
  6. 02:30Beretta and Sig Collaboration (Sig 530)
  7. 02:51Beretta AR70 Development
  8. 03:12AR70 Production and Variants
  9. 03:30AR70 Specifications (5.56 NATO)
  10. 04:04AR70 Receiver and Bolt Guides
  11. 04:30Beretta AR70/90 Introduction
  12. 04:39AR70/90 Modifications and NATO Standardization
  13. 04:54AR70/90 Barrel and Ammunition Compatibility
  14. 05:16AR70/90 Sights and Features
  15. 05:40AR70/90 Receiver and Gas System
  16. 06:02AR70/90 Configurations and Fire Modes
  17. 06:22AR70/90 Parts Kit Rebuild
  18. 06:46AR70/90 Stock and Pistol Grip
  19. 06:58AR70/90 Safety and Magazine Release
  20. 07:19AR70/90 Bolt Catch and Trigger
  21. 07:37AR70/90 Magazine Compatibility
  22. 08:04AR70/90 Sights (Carrying Handle and Apertures)
  23. 08:25Removing the AR70/90 Carrying Handle
  24. 08:46AR70/90 Receiver Construction
  25. 09:10AR70/90 Bipod and Handguards
  26. 09:27AR70/90 Front Sight and Gas Valve
  27. 09:44AR70/90 Grenade Launcher Function
  28. 09:58AR70/90 Disassembly Process
  29. 10:12Separating Upper and Lower Receivers
  30. 10:23Gas System Disassembly
  31. 10:50AR70/90 Bolt Design
  32. 11:14Bolt Mechanism Details
  33. 11:25Gas System Breakdown
  34. 11:57Piston System (Long Stroke)
  35. 12:27Barrel and Gas Block
  36. 12:47Reassembly Overview
  37. 13:21Gas System Reassembly
  38. 14:20Bolt Carrier Group Reassembly
  39. 15:17Final Reassembly Steps
  40. 16:16Securing the Receiver Pins
  41. 17:00Shooting the AR70/90
  42. 19:22Evolution to ARX160/ARX100
  43. 19:35ARX160/ARX100 Overview
  44. 24:31ARX160 Ambidextrous Features
  45. 25:15ARX160 Barrel Options
  46. 26:06Timeline of Italian Military Rifles
  47. 26:45AR70/90 in Ukraine
  48. 27:23Story of Finding the Rifle
  49. 29:02Recommended Products (Otis Cleaning Kits)

Frequently Asked Questions

What are the key differences between the Beretta AR70 and the AR70/90?

The AR70/90, adopted in 1990, features NATO standardization with STANAG magazines and a 1:7 twist barrel for SS109 ammunition, unlike the earlier AR70 which used proprietary magazines and was designed for M193. The AR70/90 also offers select-fire capability (safe, semi, burst), whereas the original AR70 was safe/semi-auto only.

What type of gas system does the Beretta AR70/90 use?

The Beretta AR70/90 utilizes a long-stroke piston gas system, similar in principle to the AK platform. The piston is integrated into the operating rod, which helps maintain the bolt's alignment during operation.

How is the Beretta AR70/90 disassembled?

Disassembly involves removing the handguard, then the two receiver pins to separate the upper and lower receivers. The bolt carrier group is removed next, followed by the disassembly of the bolt itself. The gas system is then taken apart by unscrewing the barrel tip and removing the gas block, support, and tube.

What are the main features of the Beretta AR70/90's sights?

The AR70/90 includes a detachable carrying handle that functions as a quick sight. For longer ranges, it has flip-up apertures marked for 250 and 400 meters. The front sight is adjustable and resembles that found on AK-pattern rifles.

What replaced the Beretta AR70/90 in the Italian military?

The Beretta AR70/90 was succeeded by the Beretta ARX160 (or its civilian variant, the ARX100) starting around 2008. The ARX160 is a more modern platform featuring extensive use of polymer, a short-stroke piston, and a quick-detach barrel.

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