Quick Answer
To achieve accuracy when zeroing a .338 Lapua, establish a consistent shooting position, set the rifle's scope to 100 yards, and fire three shots to determine the point of impact. Adjust the scope accordingly, making quarter-minute clicks to avoid overcorrection. Repeat this process until the point of impact is within a 1-inch radius of the aiming point.
Establishing a Consistent Shooting Position
A stable shooting position is crucial for accuracy when zeroing a .338 Lapua. Begin by setting up a bipod or shooting rest, ensuring the rifle is level and secure. Take a moment to settle into the position, taking deep breaths and relaxing your muscles. For optimal results, place your dominant eye directly behind the scope, with your non-dominant eye relaxed and closed. This will help maintain a consistent cheek weld and eye position.
Zeroing the Scope
Start by setting the scope to 100 yards, as this is a common zeroing distance for many rifles. Fire three shots at this distance, observing the point of impact on your target. If the point of impact is below the aiming point, adjust the elevation knob in 1/4 MOA increments (approximately 1.3-1.4 inches at 100 yards) and fire another three shots. Repeat this process until the point of impact is within a 1-inch radius of the aiming point. To avoid overcorrection, make small adjustments and verify the results before making further changes.
Fine-Tuning the Zero
Once you’ve established a close zero, fine-tune the adjustment by firing additional shots at shorter and longer ranges. For example, shoot at 50 yards to verify the point of impact, then at 150 yards to confirm the zero. This will help you establish a more precise zero and ensure the rifle is performing as expected at various distances. As you fine-tune the zero, pay attention to the point of impact and make adjustments accordingly, using quarter-minute clicks to maintain accuracy.
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