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Centerfire ammunition. Two rounds of .357 Magnum, a centerfire cartridge; notice the circular primer in the center. A centre-fire (or centrefire) is a type of metallic cartridge used in firearms, where the primer is located at the center of the base of its casing (i.e. "case head"). Unlike rimfire cartridges, the centerfire primer is typically ...
Primer (firearms) In firearms and artillery, the primer ( / ˈpraɪmər /) is the chemical and/or device responsible for initiating the propellant combustion that will propel the projectiles out of the gun barrel . In early black powder guns such as muzzleloaders, the primer was essentially the same chemical as the main propellant (albeit ...
Cartridge dimensions. The 7.62×54mmR has 4.16 ml (64 grain H 2 O) cartridge case capacity. The exterior shape of the case was designed to promote reliable case feeding and extraction in bolt-action rifles and machine guns alike, under challenging conditions. 7.62×54mmR maximum C.I.P. cartridge dimensions.
The .300 Winchester Magnum has a case capacity of 93.8 grains. While providing ballistic performance nearly identical to that of the .300 Winchester Magnum, 300 WSM does this with about 14 grains less powder. The .300 WSM also head-spaces off of the case shoulder, versus the older .300 Winchester Magnum's belted head space design.
[21] [22] As of January 2020 Lapua is also manufacturing 6.5 Creedmoor brass with large rifle primers. [23] Norma makes brass for the cartridge, and Norma brass is available through several major-retailers at approximately the same cost as Lapua brass. Lapua brass for 6.5×47 lasts for about 12-to-20 reloads. [24]
List of rifle cartridges, by primer type, ... 3.22 Long Rifle, 4.22 Winchester Magnum Rimfire, 5.17/23 ... Text is available under the Creative Commons ...
3,458 ft⋅lbf (4,688 J) Test barrel length: 24 in (610 mm) Source (s): Reloading data at Accurate Powder. .300 Remington Short Action Ultra Magnum (also known as 300 RSAUM, 300 RSUM or 300 Rem SAUM) is a .30 caliber short magnum cartridge that is a shortened version of the Remington 300 Ultra Mag, both of which derive from the .404 Jeffery case.
Elizabeth Mott Thank Me Later Face Primer. Shoppers say this inexpensive primer measures up to higher-end versions! It has a matte formula to help control oily skin and create a flawless ...