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Typically, many rifles use thread diameters in the range between 25–27 mm (0.98–1.06 in). [citation needed] Many older rifles from the first half of the 20th century use a thread pitch around 2 mm (12.7 TPI), while many modern rifle use thread pitches around 1.5 mm (16.93 TPI). Fine threaded systems intended for hand tightening typically ...
Straight-pull rifles differ from conventional bolt-action mechanisms in that the manipulation required from the user in order to chamber and extract a cartridge predominantly consists of a linear motion only, as opposed to a traditional turn-bolt action where the user has to manually rotate the bolt for chambering and primary extraction.
Some other notable modern straight pull bolt-action rifles are made by Chapuis, [9] Heym, [10] Lynx, [11] Rößler, [12] Strasser, [13] and Steel Action. [ 14 ] In the sport of biathlon , because shooting speed is an important performance factor and semi-automatic guns are illegal for race use, straight pull bolt-actions are quite common, and ...
The Blaser R8 straight-pull bolt action locks by a 14-lug radial collet in a 360 degrees groove in the barrel and is designed to withstand pressures significantly exceeding the Mauser 98–type bolt-action rifles. The bolt is symmetric and self-centering, providing a basis for increased accuracy.
Springfield Model 1866, trapdoor breech closed. In 1872–1873 a military board, headed by Brigadier-General Alfred H. Terry, conducted an examination and trial of 99 rifles from several domestic and foreign manufacturers, including those from Springfield, Sharps, Peabody, Whitney, Spencer, Remington, and Winchester pursuant to the selection of a breech-loading system for rifles and carbines ...
The first experimental rifle using a direct impingement system was the French Rossignol ENT B1 automatic rifle followed by Rossignol's B2, B4 and B5. The first successful production weapon was the French MAS 40 rifle adopted in March 1940. The Swedish Automatgevär m/42 is another example. Both the French and Swedish rifles use a simple system ...
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The Sharps-Borchardt Model 1878 is a single-shot hammerless falling-block action rifle designed by Hugo Borchardt and made by the Sharps Rifle Manufacturing Company.It closely resembles older Sharps Rifles but has a firing mechanism that uses a hammerless striker rather than a hammer and firing pin like the old Sharps Rifle.