Quick Answer
To zero a .300 WSM for mule deer, use a 100-yard zero with a bullet drop of 3 inches at 300 yards. This will provide a flat shooting trajectory out to 300 yards, covering the typical mule deer hunting range. A 100-yard zero is ideal for mule deer hunting due to their average shot distance.
Choosing the Right Ammunition
When zeroing a .300 WSM for mule deer, select a high-quality hunting ammunition with a bullet weight of 150 grains or heavier. The Federal Premium Gold Medal Berger 150-grain load is an excellent choice, offering outstanding accuracy and terminal performance. When selecting ammunition, also consider the ballistic coefficient, which affects the bullet’s trajectory.
Zeroing Techniques
To zero a .300 WSM, start by setting up a 100-yard range with a stable rest or a bipod. Use a high-quality scope and a laser rangefinder for precise distance measurements. Aim for the center of a 6-inch target at 100 yards, firing three shots to establish a zero. Gradually increase the distance to 300 yards, adjusting the scope’s elevation to compensate for the bullet drop.
Ballistic Data and Wind Considerations
When tracking mule deer, use ballistic software or a ballistic calculator to determine the bullet’s trajectory at different ranges and wind speeds. At 300 yards, a 3 mph crosswind will require a 1.5-inch correction, using a 1:12 wind deflection ratio. Keep in mind that mule deer often move unpredictably, so be prepared to adjust your shot accordingly.
Find more answers
Browse the full Q&A library by topic, or jump back to the topic this question belongs to.