Quick Answer
For predator hunting in the Southwest, reliable and high-velocity factory loads in common cartridges like the 223 Remington, 243 Winchester, and 308 Winchester are ideal. Look for loads with a minimum of 1000 ft/lbs of kinetic energy and a ballistic coefficient above 0.3. Choose loads with a muzzle velocity above 2800 fps.
Load Selection
When selecting factory loads for predator hunting in the Southwest, it’s essential to consider the cartridge, bullet type, and weight. For example, the .223 Remington is an excellent choice, particularly with lighter bullets (55-60 grains) and a muzzle velocity above 3000 fps. A good option is the Hornady 55-grain V-Max, which has a BC of 0.25 and a muzzle velocity of 3050 fps.
Ballistic Efficiency
To maximize ballistic efficiency, look for loads with high muzzle velocities and a BC above 0.3. For the 243 Winchester, a good option is the Winchester 95-grain Ballistic Silvertip, which has a BC of 0.38 and a muzzle velocity of 3050 fps. This load is ideal for hunting coyotes and other medium-sized predators at ranges up to 300 yards.
Real-World Performance
When using factory loads for predator hunting, it’s crucial to consider real-world performance. Factors like air resistance, temperature, and humidity can affect bullet trajectory and penetration. To mitigate this, use a rangefinder or ballistic calculator to adjust for these variables. Additionally, consider the type of terrain and the animal’s behavior when making shot placement decisions.
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