300 Winchester Magnum Centerfire Rifle Cartridge: The popular 300 Winchester Magnum centerfire rifle cartridge is a commercial, belted, bottleneck cartridge case design that is loaded commercially (factory produced ammunition) or reloaded by individual handloaders with various combinations of primer, powder and .308″ diameter bullets. Handloaders can calculate the kinetic energies of their handloads with the use of these formulas. 300 Winchester Magnum Reloading Specifications: Bullet Diameter […]
Ballistics
17 Remington Ballistics
17 Remington: The 17 Remington cartridge case is based on the 223 case similar to the 17/223 wildcat cartridge that Harrington and Richardson introduced in 1968. Remington introduced their 17 Remington in a model 700 rifle to the shooting public in 1971. With a tiny 25 grain bullet achieves very high velocity numbers, above 4,000 […]
22-250 Remington
22-250 Remington: The 22-250 Remington began as a wildcat cartridge based on the 250 Savage necked down to .224″ caliber, in 1937 J.E. Gebby put a 28 degree shoulder angle on the wildcat cartridge and named his cartridge, Varminter, this cartridge was later adopted by Remington and went into general production in 1965 as the 22-250 […]
6mm Remington (244 Remington)
6mm Remington (244 Remington) The 6mm Remington is based on the 7x57mm case necked down to .243 caliber and the shoulder angle increased by about 6 degrees. Remington introduced this cartridge first in 1955 under a different name, the 244 Remington. In 1963 Remington reintroduced this cartridge as the now popular 6mm Remington. The 6mm Remington never […]
260 Remington
260 Remington History The 260 Remington centerfire rifle cartridge was introduced to the shooting public in 1997 by Remington. Remington’s 260 rifle cartridge case is based on the popular wildcat cartridge a 308 Winchester case necked down to accept .264″ caliber bullets. Jim Carmichael and Remington working together completed the development of the wildcat 6.5mm-308 […]
250 3000 Savage
250 Savage: The 250 Savage was introduced by Savage in 1914 as the 250-3000 Savage as it was capable of achieving 3,000 feet per second velocity with an 87 grain 25 caliber bullet, years later the 3,000 was dropped to become the 250 Savage. The original designer was Charles Newton who had sold his cartridge […]
257 Weatherby Magnum Ballistics
257 Weatherby Magnum: The 257 Weatherby Magnum was introduced to the public in the mid 1940’s by Roy Weatherby as one of his original cartridges and his personal favorite as well. The 257 Weatherby Magnum cartridge case itself is the 300 H&H; magnum case necked down to 25 caliber and blown out the full length […]
30-30 Winchester
The 30-30 Winchester centerfire rifle cartridge is a .30″ caliber, rimmed, bottleneck cartridge case design and reloadable. Rifles chambered in this round have a barrel bore land to land diameter of .300″ and a bore groove to groove diameter of .308″. Common barrel rifling twist rates for the 30-30 Winchester are; 1 in 12″. Common barrel lengths for the […]
357 Magnum
357 Magnum Rifle Cartridge: The 357 Magnum cartridge was introduced to the public in 1935 by Smith&Wesson; and since its introduction its now being used in some light-weight carbine style rifles. The ballistics of the 357 Magnum cartridge normally reserved for handgun use changes dramatically in a rifle. While the 357 Magnum is no powerhouse […]
340 Weatherby Magnum Ballistics and Information
340 Weatherby Magnum: The 340 Weatherby Magnum was developed by necking up Weatherby’s already well established 300 Weatherby Magnum to a bullet diameter of .338 inches. This filled the Weatherby cartridge gap between their 300 Magnum and 375 Magnum. This cartridge went into mass production in 1963. The 340 Weatherby Magnum is very powerful, loaded […]