Quick Answer
Sighting in a .450 Bushmaster for deer season typically involves shooting at a 100-yard target and adjusting the scope to achieve a 1-inch group or less at that distance, considering the rifle's inherent flat trajectory.
Choosing the Right Ammunition
When sighting in a .450 Bushmaster, it’s essential to select the right ammunition for optimal performance. Look for a load with a bullet weight between 250 and 300 grains and a muzzle velocity of around 2,100 feet per second. This will provide the necessary energy and penetration for taking down deer. Some popular options include the Hornady 250-grain SST and the Barnes 250-grain TSX.
Setting Up the Rifle at the Range
Before heading to the range, ensure your .450 Bushmaster is properly zeroed. Start by setting the scope’s elevation adjustment to the recommended setting for your specific bullet weight. Typically, this will be around 10-15 MOA (minutes of angle) low at 100 yards. Next, fire a few shots at a 100-yard target and record the group size. If the group is larger than 1 inch, make adjustments to the scope’s elevation and windage as needed, aiming for a 1-inch group or less.
Understanding the Rifle’s Flat Trajectory
One of the benefits of the .450 Bushmaster is its flat trajectory, which allows for effective shots at longer ranges. However, this also means that the bullet will not drop significantly until it reaches 200-250 yards. When sighting in your rifle, keep in mind that the bullet’s trajectory will be relatively flat, and you can expect a 2-4 inch drop at 200 yards. This knowledge will help you make more accurate shots at longer ranges.
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