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Farquhar-Hill rifle

Farquhar-Hill rifle

The Farquhar-Hill rifle
a British design by Moubray G. Farquhar and Arthur H. Hill, was one of the first semi-automatic rifles designed in the early 20th century.

It was first tested in May 1908, and had many failures. Several improved designs followed, none of which completely satisfied the Small Arms Committee. The Farquhar-Hill is a long recoil operated semi-automatic rifle with rotary bolt locking. It was 0.303 in (7.7 mm) caliber and fed from a 19-round drum. Magazine variations included a 10-round truncated cone and a 65-round drum. It has a muzzle velocity of 732 m/s (2,400 ft/s) and is sighted to 1,500 yd (1,370 m). One example was tried in the United States late in the First World War using a drum magazine.

The British Army appears to have adopted and ordered the Farquhar-Hill rifle in 1918, but the end of hostilities in Europe led to the cancellation of the order before any rifles were delivered. The rifle did see some use with British aviators, along the same lines as the Mauser M1916 and Mondragon rifles. For observers and gunners aloft, self-loading rifles were an enormous improvement over bolt-action weapons, and self-loading rifles saw brief use before the practice of mounting machine guns in aircraft took hold.

The Farquhar-Hill was originally patented in the UK in 1908 and in the United States in 1909. The key feature was an intermediate `action` spring stored recoil energy. Upon discharge, the barrel recoiled while still locked with the bolt, compressing the intermediate spring on recoil. Upon return of the barrel to the forward position, the energy stored in the intermediate spring cycled the bolt back and forth, extracting and ejecting the spent case and feeding a fresh round into the now stationary barrel. The main goal was to achieve smooth and reliable cycling, but the design was very complicated and thus badly suited for a military firearm. By 1911, Farquhar and Hill revised their rifle, changing its source of energy from barrel recoil to more convenient gas operated action. This new weapon also utilized intermediate spring as a source of energy for cycling of the bolt, but the barrel was now stationary, simplifying design and making it potentially more accurate and reliable. During following years this design was further refined and tested by British Army on several occasions. This rifle was initially chambered for the new “.303 rimless” round, designed by necking up the 7.65x53mm Belgian Mauser case and loading it with British-issue Mk.VII bullet of .303 caliber. Later on this experimental loading was discarded in favor of the standard issue .303 British ammunition. After several trials, including troop trials at the Front, in 1918 the Farquhar-Hill rifle was found to be suitable for military use, and an official request was issued for procurement of as much as 100,000 of Farquhar-Hill rifles for British forces fighting on the Continent against Germany. Official nomenclature assigned to the military Farquhar-Hill rifle in August 1918 was “Rifle. .303 inch, Pattern 1918”. However, hostilities of the Great War ended before production facilities were allocated for this rifle, and in the view of an upcoming peace the requirement for manufacture of Farquhar-Hill rifles was dropped in 1919.

During the 1920s and early 1930s Farquhar redesigned this rifle into a light machine gun of lightweight design, fed from top-mounted pan magazines. On several occasions the British Army tested this machine gun, known as the Beardmore-Farquhar, but ultimately rejected it for a variety of reasons.

Used by
- Royal Flying Corps


Farquhar Hill: Britain`s WW1 Semiauto Rifle

Semi-Automatic rifle

Recoil (prototype) Gas

.303 British

Magazine Capacity:
19, 10, and 65 round

Feed system:
drum magazines


Muzzle Velocity:
732 m/s (2,400 ft/s)


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