Nosler Ballistic Tip Varmint Bullets 243 Caliber, 6mm (243 Diameter) 80 Grain Spitzer Boat Tail (100pk) Type_470 Nitro it is recommended that this

it is recommended that this bullet be fired in a load with an impact velocity no greater than 2600 fps and no less than 1900 fps

so there is no need for tapping or drilling

Bullet Weight: 123 Grains

This is not loaded ammunition

Sierra GameKing Bullets are designed for hunting at long range

Nosler Ballistic Tip Varmint Bullets 243 Caliber, 6mm (243 Diameter) 80 Grain Spitzer Boat Tail (100pk) Type_470 Nitro it is recommended that thisVarmints and predators beware! Nosler's ballistic Tip Varmint Bullets are designed for violent expansion upon impact. The bullet is tipped with a polycarbonate tip which rapidly drives back forcing the thin jacket to expand and fragment. The heavy base prevents deformation during firing and the boat tail design increases the ballistic efficiency of the bullet. This is not loaded ammunition. Technical Information Caliber: 243, 6mm Bullet Diameter: 0.