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The 7mm Shooting Times Westerner, sometimes referred to as the 7mm STW, began as a wildcat rifle cartridge developed by Layne Simpson, Field Editor of Shooting Times, in 1979. [3] It is an 8mm Remington Magnum case that has been "necked down" (narrowing the case opening) by 1 mm to accept 7 mm (.284 in) bullets.
This is a list of firearm cartridges which have bullets in the 7.00 to 7.99 millimetres (0.2756 to 0.3146 in) caliber range. Length refers to the cartridge case length. OAL refers to the overall length of the cartridge. All measurements are in mm (in).
The first French brass cartridge for military use. Black powder. [3] Replaced by 8mm Lebel. [3] 11×60mm Mauser: 1871 Germany R 11×60mmR 1430 [3] 2013 [8] 2.815 77 [3] 0.446 [3] 60mm The first black powder cartridge adopted in large numbers by the unified German Army, it was used in the 1871 and 1871/84 rifles. 11×60mm Murata: 1880 Japan R 11 ...
The 7mm Winchester Short Magnum cartridge, a rebated rim bottlenecked centerfire short magnum introduced in 2001, is probably the closest ballistic twin of the 7mm Remington Magnum. The 7mm Winchester Short Magnum is considerably shorter and fatter and has a steeper shoulder angle and a shorter neck (6.17 mm) than the 7mm Remington Magnum.
The Thompson/Center Ugalde, or TCU family of wildcat cartridges, was developed by Wes Ugalde of Fallon, Nevada, by necking up .223 Remington brass to accept larger bullets. The cartridges were developed for the Thompson Center Arms Contender single shot pistol, and are widely used in handgun metallic silhouette competition and handgun hunting.
The symbols on the lower arc of the stamp indicates the caliber (7.7mm, 5.56mm or 7.62mm) and R# or R#M# indicate the model (R) and mark (M) of the cartridge, like the Commonwealth L#A# stamp (e.g., R1M1 is the first model and second Mark of a cartridge). Later, the 2-digit year is in the 12 o'clock position and a digit in the 6 o'clock ...
The 7mm BR is based on previous Remington benchrest cartridges 6mm BR Remington and the .22 BR Remington cartridges. These cartridges in turn trace their origin to .308 Winchester via the .308×1.5-inch Barnes cartridge. The 7mm BR was designed by merely necking up the pre-existing 6mm BR Remington to accept a .28 caliber (7 mm) bullet. The ...
The 7×57mm Mauser (designated as the 7 mm Mauser or 7×57mm by the SAAMI and 7 × 57 by the C.I.P.) is a first-generation smokeless powder rimless bottlenecked rifle cartridge. It was developed by Paul Mauser of the Mauser company in 1892 and adopted as a military cartridge by Spain in 1893. [ 3 ]