6.5x55mm Swedish Mauser: The 6.5X55mm Swedish Mauser was developed in 1893 by a joint Swedish/Norwegian commission and officially adopted by those countries as the military cartridge the next year. Soon thereafter it became a popular sporting cartridge and was used for target shooting, including Olympic free rifle competition. It was virtually unknown in the United […]
ballistics
Shotgun Drop Factor
Shot shell Drop / Trajectory: Perhaps one of the things that will cross a shotgun hunter’s mind once in awhile is how much does shot drop over a given distance and does this trajectory matter. It goes without saying that the pellets are losing energy as they travel downrange to their intended target. The controversy […]
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 […]
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 […]
All About the 257 Roberts
Ned Roberts created the wildcat cartridge, the 25 Roberts, in the 1920s. In 1934 Remington introduced the .257 Roberts rifle cartridge. They were experimenting with the 25 Roberts, and wanted to produce it commercially. Because of this they had to make changes to the case itself. The original cartridge was 7X57mm necked down to a […]
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 […]
22 Hornet Ballistics Chart, History
22 Hornet History: It was designed as one of the first high velocity centerfire 22’s to use smokeless powder. While this cartridge can be attributed to the efforts of several individuals it was Winchester that put it all together in 1930 and introduced the 22 hornet with a bullet diameter of .223″. Today’s 22 Hornets […]
