Search results
Results From The WOW.Com Content Network
The 7mm Remington Magnum is a big game hunting cartridge capable of taking thin skinned game at considerable hunting ranges. Due to its high ballistic coefficient, which is common in all .284" caliber cartridges, the 7mm Rem Mag bucks wind efficiently. Because of its flat shooting nature and the relatively tolerable recoil, the 7mm Remington ...
The 7×64mm has a 4.48 ml (69 grain H 2 O) cartridge case capacity. A sign of the era in which the 7×64mm was developed is the gently sloped shoulders. The exterior shape of the case was designed to promote reliable case feeding and extraction in bolt-action rifles, under extreme conditions. 7×64mm maximum C.I.P. cartridge dimensions. All ...
7mm Shooting Times Westerner. 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.
Compared to the 7mm Remington Magnum, top 7mm RUM loads deliver 25% more energy at 300 yards. [citation needed] Such performance demands a price and in this case, that is a large muzzle blast, sharp recoil and short barrel life. [1] The 7mm Ultra Magnum boasts the largest case of any commercial 7mm cartridge.
Source (s): Federal Cartridge Co. ballistics page, 175gr. The 7mm-08 Remington is a rifle cartridge that is almost a direct copy of a wildcat cartridge developed around 1958 known as the 7mm/308. As these names would suggest, it is the .308 Winchester case necked down to accept 7 mm (.284) bullets with a small increase in case length.
The cartridge is standardized by the C.I.P. and is also known as .404 Rimless Nitro Express. [6] It was designed in 1905 by London based gunmaker W.J. Jeffery & Co to duplicate the performance of the .450/400 Nitro Express 3-inch in bolt-action rifles. [7] The .404 Jeffery fired a bullet of .422 in (10.72 mm) diameter of either 300 gr (19 g ...
The .300 Norma Magnum, also known as .300 NM or 300 Norma, is a centerfire magnum rifle cartridge developed by Swedish ammunition manufacturer Norma Precision.The .300 Norma Magnum uses a .338 Norma Magnum parent case necked down to .30 caliber, [1] named to differentiate it from the older .308 Norma Magnum designed in 1960, and has begun to gain popularity among long-range shooters.
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 ...