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No.8 rifle
The Rifle, Number 8 (commonly referred to as the Number 8 Rifle) is a bolt-action .22 calibre conversion of the Lee–Enfield designed for target shooting. They are simple hand-fed rifles and were originally designed to be used by military marksmen firing in civilian competitions, before being turned over to the cadet forces. Currently, the Number 8 is used by the British cadet services as a basic target rifle. Some examples are in civilian ownership worldwide, especially following the disposal by the New Zealand cadet forces of their Number 8 and Number 9 rifles at auction.〔http://rifleman.org.uk/Enfield_Rifle_No.8.html〕
== Sight types ==
Typically fired at a range of 25 yards, the rearsight can be adjusted to allow fire at 50 and 100 yards. A harmonisation setting is also provided for firing at specially designed targets. The No 8 can also be fitted with two types of sight. The more common leaf sight, allowing adjustment for elevation only, is simpler to use and more robust, but the standard of accuracy that can be achieved with this sight is lower than can be achieved with the Parker Hale PH5D sight, which allows for windage adjustment as well as elevation, in 1/4 minute-of-angle clicks. It is also more delicate than the leaf-sight and not generally found in cadet service. The Parker-Hale 8/53 sight adaptor unit can also be fitted to the leaf rearsight, providing windage adjustment without the removal of the issued sighting system. It screws on through the sight aperture and therefore introduces a large elevation difference, rendering the range markings on the sight useless.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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