Sierra Bullets Sports Master .32 Caliber 90 Grain JHC Rifle Bullets. These bullets are perfectly engineered to offer consistent and reliable expansion over a wide range of velocities. One of the special features is the serrated power jacket on hollow cavity and hollow point bullets. Upon impact this feature allows the bullets to expand uniformly along the serration line creating maximum energy transfer and consistent weight retention. Regardless of the specific bullet needed Sierra provides an outstanding guarantee on the materials used and workmanship quality. Specifications for Sierra Bullets Sports Master .32 Caliber 90 Grain JHC Rifle Bullets: Manufacturer: Sierra Bullets Bullet Type: Jacketed Hollow Point (JHP) Hollow Point (HP) Bullet Weight: 90 grain Sectional Density: 0.132 Projectile Caliber: .32 Caliber Bullet Quantity: 100 Bullet Country of Origin: USA Fabric/Material: Copper Package Contents: Sierra Bullets 8030 Sports Master 32 Caliber .312 90 GR Jacketed Hollow Cavity (JHC) 10 Sierra Bullets 8030 Sports Master 32 Caliber .312 90 GR Jacketed Hollow Cavity JHC 10