The.270 Winchester cartridge was created by Winchester Repeating Arms Company in 1923 and introduced in 1925 as a chambering for their bolt-action Model 54 rifle.  The cartridge is the same length as the.280 Remington, making it longer than the.30-06 Springfield. The.270,.280, and.30-06 were all evolved from the.30-03 parent case, and the bore diameter was most likely influenced by the 7mm Mauser. The.270 Winchester has a bore diameter of.270 inch (6.86 mm) and a bullet diameter of.277 inch (7.04 mm).
The.270 Winchester was introduced in 1925 along with the Winchester Model 54 bolt action rifle under the name “270 WCF” (270 Winchester Centerfire). It was not an immediate success due to the popularity of lever action rifles at the time, the relatively recent introduction of the.30-06 Springfield,
chambered for the M1903 Springfield bolt action rifle, which could be sporterized for hunting purposes; the larger popularity of lever action rifles held by American hunters and the lack of expo. However, over the following decades, particularly in the post-World War II period, the.
270 Winchester gained widespread popularity among hunters and sporting rifle enthusiasts, making it one of the most popular and widely used big game hunting cartridges in the world, especially with the widespread popularity of rifle scopes. Shooters began to notice that the.277″ caliber cartridge could shoot flatter than the common cartridge.
Most bolt-action rifles feature an internal magazine that can be loaded by hand, en bloc, or stripper clips, while other designs have had a detachable or independent magazine, or even no magazine at all, requiring each round to be loaded separately. In most cases,
the magazine capacity is limited to two to ten rounds in order to keep the magazine flush with the bottom of the rifle, decrease weight, and keep mud and filth out. A tube magazine is found on a number of bolt actions, such as those that run the length of the barrel. There were some manually controlled breech loading guns in weaponry other than huge rifles, such as pistols and cannons
The Dreyse Needle fire rifle, on the other hand, was the first breech loader to use a revolving bolt.Prussia accepted Johann Nicholas von Dreyse’s 1838 rifle into service in 1841, and it was later modified into the Prussian Model 1849. It was a single-shot breech loader with the now-familiar arm protruding from the side of the bolt to turn and open the chamber. The entire reloading cycle was, however, more complicated than later versions, because the firing pin had to be primed and actuated separately, and the lever was only employed to propel the bolt.
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Bolt-action shotguns are considered a rarity among modern firearms, but were formerly a commonly used action for .410 entry-level shotguns, as well as for low-cost 12 gauge shotguns. The M26 Modular Accessory Shotgun System (MASS) is the most advanced and recent example of a bolt-action shotgun, albeit one designed to be attached to an M16 rifle or M4 carbine using an underbarrel mount (although with the standalone kit, the MASS can become a standalone weapon).
Mossberg 12 gauge bolt-action shotguns were briefly popular in Australia after the 1997 changes to firearms laws, but the shotguns themselves were awkward to operate and had only a three-round magazine, thus offering no practical and real advantages over a conventional double-barrel shotgun.