WINCHESTER 38 SPECIAL +P 158GR LEAD HP -SEMI WAD CUTTER-SUPER-X (50) Description: Proven Accuracy, Positive Functioning, No Barrel Leading, High Velocity. Features: Sure Functioning, Optimum Energy Deposit, Accurate, Controlled Recoil. Cartridge: 38 Special +P. Bullet Weight: 158. Muzzle Velocity: 890. Barrel Length: 4.00" Vented. Rounds Per Box: 50.