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1,772 ft⋅lbf (2,403 J) Source (s): Hodgdon [3] The .220 Swift (5.56×56mmSR) is a semi-rimmed rifle cartridge developed by Winchester and introduced in 1935 for small game and varmint hunting. It was the first factory-loaded rifle cartridge with a muzzle velocity of over 1,200 m/s (4,000 ft/s). [4]
The term express was first applied to hunting rifles and ammunition beginning in the mid-19th century, to indicate a rifle or ammunition capable of higher than typical velocities. The early express cartridges used a heavy charge of black powder to propel a lightweight, often hollow point bullet , at high velocities to maximize point blank range .
The .500 Nitro Express is a rifle cartridge designed for hunting large and dangerous game animals in Africa and India. [1] This cartridge was primarily designed for use in double rifles though various single shots were produced on the Farquarson action and at least one major company (Heym) produced it in bolt-action configuration.
The Taylor knock-out factor, also called Taylor KO factor or TKOF, is a formulaic mathematical approach for evaluating the stopping power of hunting cartridges, developed by John "Pondoro" Taylor in the middle of the 20th century. Taylor, an elephant hunter and author who wrote two books about rifles and cartridges for African hunting, devised ...
The .22-250 Remington is a very high-velocity, short action, .22 caliber rifle cartridge primarily used for varmint hunting and small game hunting. It is capable of reaching over 4,000 feet per second. Some jurisdictions prohibit the use of cartridges smaller than 6 mm (e.g., .243 Winchester) for deer hunting.
The .400 Legend, also called 400 LGND (10x42mmRB), is a SAAMI -standardized straight-walled intermediate rifle cartridge developed by Winchester Repeating Arms. The cartridge was designed for use in American states that have specific regulations for deer hunting with straight-walled centerfire cartridges. It is designed for deer hunting out to ...
The .458 Winchester Magnum is a belted, straight-taper cased, Big Five game rifle cartridge. It was introduced commercially in 1956 by Winchester and first chambered in the Winchester Model 70 African rifle. [3] It was designed to compete against the .450 Nitro Express and the .470 Nitro Express cartridges used in big bore British double rifles ...
The term "Express" was coined by James Purdey in 1856, derived from the express train, to publicise the bullet velocity of his double rifles and became common parlance for many rifle cartridges. The addition of the word "Nitro" stemmed from the propellant used in these cartridges, cordite , which is composed of nitrocellulose and nitroglycerine .