For rifles, this is a high-velocity bullet designed to give precision accuracy with the explosive expansion of Sierra’s Varminter-style construction. This bullet is at its best when fired from the larger-capacity cartridges, such as the 22-250 or 220 Swift in rifles with barrels having 1×14″ twist rates, stabilizing easily for excellent long-range accuracy and effective expansion. Normally, 1×12″ or faster twist rates work best for medium-capacity cases, such as the 223 Remington. These bullets are excellent for long-range varmint hunting.