Berry's Manufacturing Superior Plated Handgun Bullets 9mm .356in 124 gr HBRNTP 1000/ct JF. They are more affordable than jacketed rounds and won't foul your barrel with lead.Berry's Superior Plated hollow base thick plate bullets are designed for shooters who need increased accuracy and higher velocities. 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 thick plate allows the bullet to handle up to 1500fps. 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.SAAMI MAX 9mm COL = 1.169"SAAMI MAX .38 Super COL = 1.280"SAAMI MAX .357 Sig COL = 1.140"Can withstand velocities up to 1500 fps Specifications for Berry's Manufacturing Superior Plated Handgun Bullets 9mm .356in 124 gr HBRNTP: Manufacturer: Berry's Manufacturing Bullet Type: Hollow Base Round Nose Projectile Caliber: .356 Caliber Bullet Quantity: 1000 Bullet Package Contents: Berry's Manufacturing Superior Plated Handgun Bullets 9mm .356in 124 gr HBRNTP Berry's Manufacturing JF29325: Superior Plated Handgun Bullets 9mm .356in 124 gr HBRNTP 1000/ct