PPU 7.5 x 55 Swiss FMJ BT 174gr Velocity m/s - 770 Energy J - 3360 Barrel Length MM - 600 PPU Rifle Ammunition Line® Each caliber of PPU Rifle Ammunition Line ammunition is produced with many bullet types, different weights and very close tolerances, providing uniform quality of the ammunition. All inserted primers, which are non corrosive, Boxr type, used with standard and spherical powders, ensure a long life of your arms.