Norma 257 Roberts Ammunition 100 Grain Soft Point (20pk) Brand_Bisley It is particularly well-suited for

It is particularly well-suited for modern ultra high power air rifles

It’s built to deliver rapid expansion and deep enough penetration to ethically dispatch small game without excessive fragmentation

safety and reloadability are only a few of the criteria that the conscientious reloader should demand from a case in order to achieve maximum performance

Base/Receiver Screw Torque: 22 in-lbs

300 (subject to load velocity)

Norma 257 Roberts Ammunition 100 Grain Soft Point (20pk) Brand_Bisley It is particularly well-suited forBallistic Specifications Bullet Weight: 6. 5g (100 gr) Muzzle velocity: 3025 fps (925m s) Muzzle energy: 2046 ft lbs (2782J)