Sterling S11: Donkey in a Thoroughbred Race

Published on June 26, 2019
Duration: 13:28

The Sterling S11 was a 1965 prototype SMG designed by Frank Waters to be a cheaper, easier-to-produce alternative to the original Sterling SMG, utilizing a stamped receiver. Key features include an offset barrel and sights, interchangeable Sterling magazines, a Lanchester-style folding stock, and dual bayonet lugs for No. 5 and L1A1 bayonets. Despite innovative design elements like a ratcheting charging handle, technical flaws and high tooling costs led to its cancellation in 1967.

Quick Summary

The Sterling S11 was a 1965 prototype SMG designed by Frank Waters to be a cheaper, easier-to-produce alternative to the original Sterling SMG, utilizing a stamped receiver. It featured an offset barrel and sights, a Lanchester-style folding stock, dual bayonet lugs, and a ratcheting charging handle, but was cancelled due to technical flaws and high production costs.

Chapters

  1. 00:00Introduction: Sterling SMG History
  2. 01:13The S11 Prototype: Design Goals
  3. 02:17S11 Design Features & Oddities
  4. 03:27Parts Interchangeability & Magazine
  5. 03:56Lanchester-Style Folding Stock
  6. 05:26Dual Bayonet Lugs Explained
  7. 07:05Ratcheting Charging Handle Safety
  8. 07:39Sterling S11 Field Stripping
  9. 10:05Project Cancellation: Flaws & Costs

Frequently Asked Questions

What was the purpose of the Sterling S11 prototype?

The Sterling S11, designed by Frank Waters in 1965, aimed to be a cheaper and easier-to-produce submachine gun using a stamped steel receiver, as an alternative to the more complex original Sterling SMG.

What are the unique design features of the Sterling S11?

Key unique features include an offset barrel and sights to the left, a folding stock borrowed from a Lanchester prototype, dual bayonet lugs for different bayonet types, and a ratcheting charging handle for enhanced safety.

Why was the Sterling S11 project cancelled?

The S11 project was cancelled in 1967 due to technical flaws like trigger failures and top cover instability, coupled with an estimated £1 million tooling cost for mass production deemed economically unviable in a declining SMG market.

What parts are interchangeable between the Sterling S11 and the original Sterling SMG?

The Sterling S11 has very limited parts commonality with the original Sterling SMG. Only the internal trigger components and the standard 34-round Sterling magazine are interchangeable.

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