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What is .243 Winchester?

The .243 Winchester is a popular rifle cartridge that was introduced by Winchester in 1955. It is based on the .308 Winchester case necked down to .243 inches (6mm) bullet diameter.

The .243 Winchester cartridge is widely used for hunting small to medium-sized game, including varmints, predators, and deer. It is known for its flat trajectory, moderate recoil, and good accuracy, making it a versatile choice for hunters and target shooters alike.

The .243 Winchester is suitable for shooting at medium distances, typically up to a few hundred yards. It has a relatively high muzzle velocity, allowing for a flatter trajectory and good downrange energy retention. The cartridge offers a range of bullet weights, commonly ranging from 55 to 105 grains, providing options for different shooting applications.

Due to its relatively light recoil, the .243 Winchester is often favored by younger or smaller-framed shooters, as well as those who may be sensitive to recoil. It is also a popular choice for varmint hunting, as its high velocity and flat trajectory aid in long-range accuracy.

While the .243 Winchester is effective for hunting deer-sized game, shot placement is crucial for ensuring ethical kills. It is typically recommended to use heavier bullet weights, such as 95 to 105 grains, for hunting deer to ensure sufficient energy transfer and penetration.

The .243 Winchester has become a widely available and popular cartridge, with a variety of rifles chambered for it from numerous firearm manufacturers. It offers a good balance of accuracy, versatility, and manageable recoil, making it a popular choice among hunters and target shooters seeking a capable and efficient cartridge.

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