6 mm Rem.

The 6mm Remington (also known as the .244 Remington) is a rifle cartridge developed by Remington in 1955. It is a centerfire, bottlenecked cartridge with a bullet diameter of .243 inches (6.17mm) and a case length of 2.233 inches (56.7mm).The 6mm Remington was designed as a high-velocity cartridge for use in hunting and target shooting. It is capable of firing a wide range of bullet weights at high velocities, making it suitable for a variety of applications, from varmint hunting to deer hunting.The cartridge is known for its flat trajectory, low recoil, and excellent accuracy, which make it a popular choice among hunters and shooters who demand a versatile and reliable cartridge. It has been used to take a wide range of game, from small varmints to larger animals such as deer and antelope.However, the 6mm Remington has been largely overshadowed by the popularity of the .243 Winchester, which is a similar cartridge with a slightly shorter case length. The .243 Winchester is widely available and has a wider variety of factory ammunition options, making it more popular among hunters and shooters.Overall, the 6mm Remington is a capable and versatile cartridge with a loyal following among hunters and shooters who appreciate its performance and reliability. However, it has been largely superseded by other cartridges that offer similar performance with greater availability and variety of ammunition.