Britain's Tubeless WW1 Sniper Optics: Martin Galilean Sight

Published on September 18, 2019
Duration: 7:33

This guide details the installation of the rare Martin Galilean Sight, a 'tubeless' optic used on the British SMLE rifle during WWI. Expert firearms historian Ian McCollum explains the clip-on mounting system for the front lens and the integration with a BSA Model 9C adjustable rear sight. The guide covers the mechanical steps for attaching the sight and highlights its historical context as an interim solution before standardized telescopic scopes.

Quick Summary

The Martin Galilean Sight was a rare, 'tubeless' optic used on British SMLE rifles in 1915 as a temporary WWI sniper solution. It offered 2.5x magnification but suffered from a narrow field of view (5ft at 100yds) and poor low-light performance. Its front lens clipped onto the nose cap, paired with an adjustable BSA Model 9C rear sight.

Chapters

  1. 00:00Introduction to Galilean Sights
  2. 01:49Front Sight Details
  3. 02:40Aiming and Magnification
  4. 03:18BSA Model 9C Rear Sight
  5. 04:16From Competition to Combat
  6. 05:12Limitations and Rarity

Frequently Asked Questions

What was the Martin Galilean Sight used for in WWI?

The Martin Galilean Sight was a 'tubeless' optical sight used on British SMLE rifles in 1915 as a temporary solution. It provided interim magnification before standardized telescopic scopes were widely available for snipers.

What were the main limitations of the Martin Galilean Sight?

Key drawbacks included a very narrow field of view (around 5 feet at 100 yards), susceptibility to dirt, and poor performance in low-light conditions, making it quickly obsolete once better optics emerged.

How was the Martin Galilean Sight mounted on the SMLE rifle?

The front lens clipped onto the rifle's nose cap and was secured by a cross screw. The rear sight was integrated into an adjustable BSA Model 9C assembly, similar to standard iron sights.

Why are Martin Galilean Sights so rare today?

Their rarity stems from their limited production run (695 units), their quick obsolescence after WWI, and their vulnerability to damage and environmental factors, making surviving examples highly valuable to collectors.

More Tactical & Gear Videos You Might Like

More from Forgotten Weapons

View all →