Sierra Varminter Bullets 243 Caliber, 6mm (243 Diameter) 60 Grain Hollow Point (100pk) Type_35 Cal it is recommended that this

it is recommended that this bullet be fired in a load with an impact velocity no greater than 2300 fps and no less than 1800 fps

Recommended for use in barrels with twist rates from 1 in 7" to 1 in 8"

Highly concentric jackets

For example

Sierra Varminter Bullets 243 Caliber, 6mm (243 Diameter) 60 Grain Hollow Point (100pk) Type_35 Cal it is recommended that thisSierra Varminter Bullets deliver the performance and consistency needed in the demanding sport of varmint hunting. Lightly constructed to provide explosive expansion while minimizing ricochets. These lightweight bullets easily handle being pushed at very high velocities to obtain flatter trajectories. Trust Sierra Varminter bullets to perform like you expect on your next varmint hunting trip. This is not loaded ammunition. Technical Information