SA80 History: The First L85 Mockups (Sterling and Stoner)

Published on May 5, 2017
Duration: 12:54

This guide details the examination of early SA80 (L85) prototypes, including wooden mockups and functional conversions of Sterling AR-180 and Stoner 63 rifles. It highlights key design elements like the bullpup configuration, straight-line stock, and trigger linkage, offering insights into the rifle's developmental stages. The information is presented with high authority by Ian McCollum, drawing on access to historical archives.

Quick Summary

Early SA80 (L85) development involved extensive prototyping, including wooden mockups and functional conversions of Sterling AR-180 and Stoner 63 rifles. Key design choices included a bullpup configuration with a straight-line stock for better control and a proposed 4.85x49mm caliber. Sterling notably protested perceived design appropriation by creating their own AR-180 bullpup mockup.

Chapters

  1. 00:00Introduction and Context
  2. 01:43Caliber and Weapon Requirements
  3. 03:41Configuration Decisions
  4. 05:17Early Mockups and Prototypes
  5. 06:29Wooden Mockup Analysis
  6. 07:47Sterling AR-180 Bullpup Prototype
  7. 09:13Stoner 63 Bullpup Prototype
  8. 11:04The Sterling 'Annoyance' Project

Frequently Asked Questions

What were the early design considerations for the British SA80 rifle?

The SA80 project aimed for a new individual rifle and light support weapon, debating calibers from 4mm to 7mm. Designers ultimately focused on a bullpup configuration with a straight-line stock to manage recoil and maintain compactness, exploring functional prototypes based on Sterling AR-180 and Stoner 63 designs.

How did Sterling protest the SA80 design process?

Sterling, feeling their AR-180 design elements were used without compensation in the SA80 development, created their own non-functional bullpup AR-180 mockup. This served as a visual protest to highlight the similarities and their perceived lack of recognition in the official project.

What calibers were considered for the SA80?

During the SA80's early development, a wide range of calibers were considered, from as small as 4mm up to 7mm. The project eventually focused on a proposed 4.85x49mm cartridge, seeking a balance between manageable recoil, acceptable weight, and effective range for both rifle and support weapon roles.

What role did the Sterling AR-180 and Stoner 63 play in SA80 development?

Both the Sterling AR-180 and Stoner 63 rifles were used as platforms for early SA80 functional prototypes. These conversions allowed engineers to test the bullpup configuration and specific design elements, including the trigger linkage and suitability for a light support weapon role.

More Gunsmithing & DIY Videos You Might Like

More from Forgotten Weapons

View all →