The German made characteristics of RWS Power Ball pellets make this diabolo shaped pellet an excellent choice for hunting small animals like pests and varmints with a 177 caliber break barrel air rifle. Power Ball pellets are also optimum for silhouette shooting where high energy transfer is a must. The construction of the RWS Power Ball creates a balanced pellet with consistent accuracy and excellent penetration on target. Power Ball pellets are 7.1 mm long. The RWS line of pellets has a product for you no matter what type of shooting you do. From basic backyard plinking ammo to heavy hunting pellets to individually packed 10 meter competition ammo, RWS precisely forms metals into premium projectiles for discriminating shooters all over the world.