Quick Answer
To achieve accuracy when reloading the .270 WSM, use a consistent powder charge, precise bullet seating, and a well-maintained rifle. Ensure the bullet is seated at least .050" into the case, with a minimum of 1.9 grains of powder for optimal performance.
Choosing the Right Powder Charge
When reloading the .270 WSM for accuracy, it’s essential to choose the right powder charge. A consistent powder charge is crucial for maintaining accuracy, so use a powder with a consistent burn rate and minimal variation in velocity. For example, use Hodgdon Varget or IMR 4831, which provide a consistent burn rate and a minimum of 1.9 grains of powder for optimal performance. A general rule of thumb is to start with the minimum recommended load and adjust as needed to achieve the desired velocity.
Seating the Bullet
To achieve accuracy with the .270 WSM, it’s crucial to seat the bullet precisely. The bullet should be seated at least .050" into the case to ensure proper alignment and prevent damage to the case mouth. Use a bullet seating die that provides a consistent and repeatable seating process. For example, the Hornady SST bullet can be seated to .050" using the Hornady Lock-N-Load bullet seating die.
Rifle Maintenance
A well-maintained rifle is essential for achieving accuracy with the .270 WSM. Regularly clean and inspect the rifle, paying attention to the barrel and action. Use a soft brush to clean the barrel and a bore snake to remove any debris. Also, ensure the rifle’s action is properly timed and adjusted, and the trigger is set to a consistent pull weight. A well-maintained rifle will provide a consistent and accurate shot, making it ideal for hunting large game such as elk and deer.
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