Why might a 6x47 Lapua give better terminal performance than .223?

Better Expansion and Penetration

The 6x47 Lapua is a more efficient cartridge, offering better expansion and penetration due to its larger case capacity and heavier bullets. The .223 Remington, on the other hand, is a smaller cartridge with a smaller case capacity, which limits its expansion and penetration capabilities. In contrast, the 6x47 Lapua’s larger case capacity allows it to deliver more energy to the target, resulting in deeper penetration and larger wound channels.

Increased Kinetic Energy Transfer

The 6x47 Lapua’s 100-120 grain bullets travel at approximately 3,000-3,200 feet per second, delivering a significant amount of kinetic energy to the target. In comparison, a 55-grain .223 Remington bullet typically reaches a velocity of around 3,000-3,100 feet per second. This increased kinetic energy transfer results in more effective expansion and penetration, making the 6x47 Lapua a more effective choice for varmint hunting.

Real-World Performance

In real-world varmint hunting scenarios, experienced hunters have reported impressive results with the 6x47 Lapua. A 100-grain Sierra MatchKing bullet, for example, can produce a 1-inch group at 300 yards and expand to a diameter of over 1 inch at close range. This level of accuracy and expansion is difficult to achieve with the .223 Remington, making the 6x47 Lapua a top choice for varmint hunters seeking precision and effectiveness.