Fiocchi Range Dynamics Features Fiocchi s Range Dynamics is ideal for a day at the local club with family and friends practicing for your next competition or headed to a training course to develop your skills. This Range Pack 40 S&W load utilizes a 170 grain full metal jacket bullet truncated cone and comes packaged 100 rounds per box and 10 boxes per case. Fiocchi Range Dynamics Specifications Caliber: 40 S&W Model: Range Dynamics Bullet Weight: 170 gr Rounds Per Box: 10 Casing Material: Brass Application: Match Range Target Bullet Type: Full Metal Jacket Truncated-Cone (TCFMJ) Muzzle Energy: 381 ft lbs Muzzle Velocity: 1020 fps