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In 1925, Winchester introduced the .270 Winchester, previously known as the .270 WCF, based on the 30-06 Springfield case necked down to .277" (6.8 mm). Although the .270 Winchester was not an instant success, within a few decades it became one of the most popular big game hunting cartridges for mid sized game worldwide, because of its relatively mild recoil and flat trajectory within ...
The 6.8mm Remington Special Purpose Cartridge (6.8 SPC, 6.8 SPC II or 6.8×43mm) is a rimless bottlenecked intermediate rifle cartridge that was developed by Remington Arms in collaboration with members of the U.S. Army Marksmanship Unit and United States Special Operations Command [6] to possibly replace the 5.56 NATO cartridge in short barreled rifles (SBR) and carbines.
Cold forming. The parent case is well lubricated and forced carefully into the reloading die for the wildcat caliber. This will swage the case into a new shape. This type of operation is used for reducing case dimensions, such as changing the neck diameter or pushing the shoulder back. Fire forming. This consists of taking the parent case, or a ...
The recoil of the factory loads is about 70 foot pounds. Handloads can make this cartridge more comfortable to shoot, for example using a 300-grain (19 g) cast lead bullet at 1,282 ft/s (391 m/s). Handloads can make this cartridge more comfortable to shoot, for example using a 300-grain (19 g) cast lead bullet at 1,282 ft/s (391 m/s).
The Western Cartridge Company was an American manufacturer of small arms and ammunition formerly based in East Alton, Illinois. Founded in 1898, it was the forerunner of the Olin Corporation , formed in 1944, of which Western was absorbed into. [ 1 ]
8.6mm Blackout (8.6×43 mm), sometimes referred to as 8.6 BLK, [1] is a centerfire rifle cartridge developed by the firearms manufacturer Q, LLC. [6] It utilizes a shortened case from the 6.5mm Creedmoor necked up to an 8.6 mm caliber (8.585 mm or 0.338 in diameter) projectile. 8.6 Blackout is designed for use in bolt-action rifles or as a caliber conversion for AR-10 style rifles.
In order to load heavier (therefore longer) bullets to magazine length without the problems of seating the bullet's ogive into the case mouth, the Wolverine case is shortened to approximately 39 mm from its 45 mm parent brass. The case is resized and formed in a single-step operation to create new 23-degree shoulder and larger neck.
Reloading dies for the round are readily available. The .225 Winchester's case is a parent case for some of SSK Industries ' [ 3 ] popular line of JDJ cartridges designed by J.D. Jones , chosen for its strength and semi-rimmed design which makes it well suited for use in break-open actions.