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Before the barrel can release the bullet in a consistent manner, it must grip the bullet in a consistent manner. The part of the barrel between where the bullet exits the cartridge, and engages the rifling, is called the "throat", and the length of the throat is the freebore. In some firearms, the freebore is zero as the act of chambering the ...
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 ...
Components of a modern bottleneck rifle cartridge. Top-to-bottom: Copper-jacketed bullet, smokeless powder granules, rimless brass case, Boxer primer.. Handloading, or reloading, is the practice of making firearm cartridges by manually assembling the individual components (metallic/polymer case, primer, propellant and projectile), rather than purchasing mass-assembled, factory-loaded ...
A muzzle-loaded cannon: 1) projectile (shot), 2) powder charge, 3) vent. The official weight of the shot was listed at 68 lbs but in reality this varied according to the material of the shot itself; cast iron shot weighed 67 lb (30 kg), wrought iron shot and steel shot weighed 72 lb (33 kg), and chilled steel weighed 68 lb 8 oz (31.1 kg). [11 ...
A picture showing typical combination gun (top), drilling (middle), and vierling (bottom) barrel layouts. A combination gun is a firearm that usually comprises at least one rifled barrel and one smoothbore barrel, that is typically used with shot or some type of shotgun slug.
After the gunpowder and projectile or shot charge were placed in the barrel a ramrod was used to firmly pack everything down at the base of the barrel. Then either a priming charge was placed in the priming pan or a percussion cap was placed on the nipple, the firing mechanism initiated; the cock or hammer was then cocked to make the firearm ...
A break action is a type of firearm where the barrel(s) are hinged and can be "broken open" to expose the breech. Multi-barrel break action firearms are usually subdivided into over-and-under or side-by-side configurations for two barrel configurations or "combination gun" when mixed rifle and shotgun barrels are used.
Like supplemental chambers, caliber conversion sleeves completely surround the new cartridge case, but cannot be ejected or fed from a magazine, so they only offer a single shot per barrel without manual extraction and reloading. The calibers supported by caliber conversion sleeves are limited by the difference between the calibers.