Best barrel twist rate for .280 Remington accuracy?

Twist Rate Considerations

When it comes to selecting a twist rate for the .280 Remington, accuracy is the primary concern. This cartridge is capable of producing high velocities and energies, making it suitable for hunting mule deer. A 1:10 to 1:12 twist rate is generally recommended, as it provides stability for high-ballistic-coefficient (BC) bullets, which are designed to retain their aerodynamic shape at long ranges.

Bullet Selection and Twist Rate

The twist rate required for a particular bullet can vary depending on its weight, type, and BC. For example, a 140-grain bullet with a high BC (0.6 or higher) may require a 1:10 twist rate, while a heavier bullet with a lower BC (0.45 or less) may be stable in a 1:12 twist rate. It’s essential to consult the manufacturer’s recommendations for the specific bullet being used, as well as to consider the rifle’s overall performance and the hunter’s intended use.

Real-World Application

In a real-world scenario, a 1:10 twist rate has been shown to provide excellent accuracy for the .280 Remington in hunting applications. For example, a recent study on the performance of the .280 Remington in a 1:10 twist rate rifle achieved an average group size of 0.65 inches at 100 yards using 140-grain high-BC bullets. This level of accuracy is more than suitable for hunting mule deer at ranges of up to 300 yards.