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Periscope rifle

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A form of periscope rifle was invented by Sergeant William Beech of the 2nd Battalion, Australian Imperial Force (AIF), in May 1915, during the Gallipoli campaign. The device allowed a soldier to aim and fire a rifle from a trench, without being exposed to enemy fire. Beech, who worked as a builder's foreman in civilian life, modified a standard Lee-Enfield .303, by cutting the stock in half. The two halves were re-connected with a board and mirror periscope, horizontally aligned to the sights of the rifle, as well as a string to pull the trigger, which allowed the rifle to be fired from beneath the line of fire.

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A form of periscope rifle was invented by Sergeant William Beech of the 2nd Battalion, Australian Imperial Force (AIF), in May 1915, during the Gallipoli campaign. The device allowed a soldier to aim and fire a rifle from a trench, without being exposed to enemy fire. Beech, who worked as a builder's foreman in civilian life, modified a standard Lee-Enfield .303, by cutting the stock in half. The two halves were re-connected with a board and mirror periscope, horizontally aligned to the sights of the rifle, as well as a string to pull the trigger, which allowed the rifle to be fired from beneath the line of fire. Beech's device was quickly copied by other members of the Australian and New Zealand Army Corps (ANZAC). It saw extensive use in the intense trench warfare of Gallipoli, where some lines of trenches – such as the parapets at Quinn's Post – were within 50 metres of one another. It was generally regarded as significantly less accurate than a conventional Lee-Enfield, and test conducted on the documentary series "The Boffin, The Builder, The Bombardier" suggested that the effective range was approximately 100 yards. Periscope rifles were later manufactured in crude production lines on the beach at Anzac Cove.