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  2. Bolt action - Wikipedia

    en.wikipedia.org/wiki/Bolt_action

    Swing Mk4 bolt action target rifle A Kelbly rifle action bolt that has been oiled to run smoothly A US Marine extracts a spent round from an M40A3 using a bolt-action mechanism Bolt-action is a type of manual firearm action that is operated by directly manipulating the bolt via a bolt handle , most commonly placed on the right-hand side of the ...

  3. Action (firearms) - Wikipedia

    en.wikipedia.org/wiki/Action_(firearms)

    Although bolt-action guns are usually associated with fixed or detachable box magazines, in fact, the first general-issue military breechloader was a single-shot bolt action: the paper-cartridge Prussian needle gun of 1841. France countered in 1866 with its superior Chassepot rifle, also a paper-cartridge bolt

  4. Primary extraction - Wikipedia

    en.wikipedia.org/wiki/Primary_extraction

    Bolt-action rifles utilize a rotating camming action as a mechanical advantage to aid primary extraction, followed by a linear motion in the secondary extraction. Disassembled bolt of the Heym SR 30. In breechloading firearms, primary extraction is the initial phase (the first few millimeters) of the extraction of a spent casing from the ...

  5. Recoil operation - Wikipedia

    en.wikipedia.org/wiki/Recoil_operation

    The bolt body unlocks and retracts the bolt head, extracts and ejects the cartridge, cocks the hammer, and compresses the return spring. Once the bolt reaches the end of its travel, the return spring provides the force to chamber the next round from the magazine, and lock the bolt closed. Cycle diagram explanation. Ready to fire position.

  6. Sear (firearm) - Wikipedia

    en.wikipedia.org/wiki/Sear_(firearm)

    Sear shown in a revolver action. In a firearm, the sear is the part of the trigger mechanism that holds the hammer, striker, or bolt back until the correct amount of pressure has been applied to the trigger, at which point the hammer, striker, or bolt is released to discharge the weapon. The sear may be a separate part or can be a surface ...

  7. Bolt (firearms) - Wikipedia

    en.wikipedia.org/wiki/Bolt_(firearms)

    A turn bolt refers to a firearm component where the whole bolt without using a bolt carrier turns to lock/unlock. This is mostly used to describe manually operated bolt action firearms, but also on some automatic firearms. The most common locking mechanism on rifles is a rotating bolt, which can be classified as a rigid type of bolt lock. Semi ...

  8. Chamber (firearms) - Wikipedia

    en.wikipedia.org/wiki/Chamber_(firearms)

    Chambers of a revolver's cylinder. The act of chambering a cartridge means the insertion of a round into the chamber, either manually or through the action of the weapon, e.g., pump-action, lever-action, bolt action, or autoloading operation generally in anticipation of firing the weapon, without need to "load" the weapon upon decision to use it (reducing the number of actions needed to ...

  9. M1885 Remington–Lee - Wikipedia

    en.wikipedia.org/wiki/M1885_Remington–Lee

    It first appeared in 1879, manufactured by the Sharps Rifle Manufacturing Company.Eventually Remington took over production and produced copies in .45-70.Arguably this was the most modern rifle in the world, until the introduction of the 8mm Lebel M1886 rifle using smokeless powder, the Remington-Lee rifle utilized the first successful detachable box magazine, unlike the Lebel rifle which was ...