Quick Answer
For bighorn sheep hunting, I recommend Fiocchi's 140-grain Barnes TSX or 160-grain Nosler Partition bullets in their 7mm RM ammunition, as these options provide a balance of penetration and expansion in high-velocity, long-range shots common to desert terrain.
Choosing the Right Bullet for Bighorn Sheep
When hunting bighorn sheep, selecting the right bullet is crucial for a clean and humane kill. Fiocchi’s 7mm RM ammunition is a great option, offering high-velocity performance with a flat trajectory. I recommend pairing the 140-grain Barnes TSX or 160-grain Nosler Partition bullets with this cartridge.
Understanding Ballistic Performance
The 7mm RM’s high muzzle velocity (approximately 3,000 ft/s) and flat trajectory (less than 3 inches at 400 yards) make it ideal for long-range shots. The Barnes TSX bullet is designed for deep penetration, with a G2 expansion ratio that ensures consistent expansion and a large wound channel. In contrast, the Nosler Partition bullet features a bonded core and partition design, providing maximum weight retention and a consistent expansion pattern.
Hunting Techniques for Desert Sheep
When hunting bighorn sheep in desert terrain, it’s essential to consider the environment and the animal’s behavior. Look for areas with steep terrain, rocky outcroppings, and access to water sources. Use a high-powered rifle scope (7x or higher) to take advantage of the 7mm RM’s flat trajectory and engage targets at longer ranges. Additionally, consider using a spotting scope or binoculars to glass the terrain and locate your target before making a shot.
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