Quick Answer
Before the hunt, prepare a .300 WSM rifle by inspecting the action, ensuring proper zero and sighting, cleaning the bore and bolt, and loading the correct ammunition.
Rifle Inspection and Maintenance
Inspect the rifle action for any signs of wear or damage, paying close attention to the bolt face, extractor, and ejector. Use a bore light to verify the bore is clean and free of debris. Apply a few drops of rifle grease to the bolt and bolt carrier to ensure smooth operation. Check the scope’s reticle for any signs of damage or misalignment.
Ammunition Selection
When hunting mule deer with a .300 WSM, it is essential to select the correct ammunition. A 150-grain bullet is a popular choice for mule deer, offering a balance of velocity and expansion. Look for ammunition with a muzzle velocity of at least 3,000 feet per second and a ballistic coefficient of 0.4 or higher. Load the rifle with a minimum of 20 rounds, including some with a heavier bullet weight (180-200 grain) for longer-range shots.
Zero and Sighting
Ensure the rifle is properly zeroed with the selected ammunition. Use a range finder or laser scope to verify the zero at 200 yards. Make any necessary adjustments to the scope’s elevation and windage. When sighting the rifle, use a consistent aiming point, such as the center of the deer’s chest or shoulder, and practice shooting at varying ranges to develop muscle memory.
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