Berrys Superior Pistol 380 Caliber .356 100 GR Hollow Base Round Nose 25. 380 bullet Berry's Premium Plated Bullets are swaged and plated to final weight and re-struck for accuracy and precision. They are more affordable than jacketed rounds and won't foul your barrel with lead. Berry's Premium Plated hollow base bullets are designed for shooters who need increased accuracy. The hollow base allows the bullet profile to be longer and provides more contact area with the barrel and rifling to stabilize the bullet and improve accuracy. The bullet profile is longer but the weight remains the same and you can load these bullets using any published load data for a jacketed bullet as long as it is the same weight bullet. COL = 0.970 Can withstand velocities up to 1250 fps. Specifications for Berrys 12535 Superior Pistol 380 Caliber .356 100 GR Hollow Base Round Nose 25: Manufacturer: Berry's Manufacturing Bullet Type: Hollow Base Round Nose Bullet Weight: 100 grain Projectile Caliber: .356 Caliber Bullet Quantity: 250 Bullet Fabric/Material: Copper Package Contents: Berrys 12535 Superior Pistol 380 Caliber .356 100 GR Hollow Base Round Nose 25 Berrys 12535 Superior Pistol 380 Caliber .356 100 GR Hollow Base Round Nose 25