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In this design, the bolt head moves in a purely linear motion, and except for the bolt handle cam when opening or closing the action, operation by the shooter is also purely linear. The Heym SR 30 is another successful straight-pull design which features a bolt with ball bearings as locking elements. Here the primary extraction is performed by ...
The bolt is of 3-piece construction (head, body and bolt handle), brazed together. The receiver is milled from round cross-section steel. [2] The Remington 700 comes in a large number of variants. The symmetrical two-lug bolt body has a .695 in (17.65 mm) diameter. [4]
The first rifle with a controlled feeding mechanism was the M1885 Remington–Lee which first appeared in 1879. [5] Lee applied for a patent, [6] around the same time as Mauser applied for a patent on the same feature, DE51241 [7] and US476290, [8] which was introduced on the Mauser Model 1893.
A Remington Model 870 shotgun. Below is a list of firearms produced by the Remington Arms Company, [1] founded in 1816 as E. Remington and Sons. Following the breakup of Remington Outdoor Company in 2020, the Remington Firearms brand name operates under RemArms, LLC.
The M24 SWS has the "long action" bolt version of the Remington 700 receiver but is chambered for the 7.62×51mm NATO "short action" cartridge that has an overall length of 2.750 inches (69.85 mm). The "long action" allows the rifle to be re-configured for dimensionally larger cartridges up to 3.340 inches (84.84 mm) in overall length.
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The bolt face was enclosed so that it fully surrounded the cartridge rim, in a similar way to the Remington 700 bolt. While cheaper to manufacture than the undercut bolt face needed for controlled feed actions, it is also stronger, providing more support to the cartridge case head, and better contains escaping gases in the event of a case rupture.
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.