Hawkesbury River Bullet Company (HRBC) .324 (8MM) 190 Grain Round Nose Gas Check (RNGC) (400pk)Hawkesbury River Bullet Company (HRBC) is one of the oldest and most respected hard cast projectile manufacturer in Australia. Available in the following types: Bullet Terminology: BNWC: Button Nose Wad Cutter CON: Conical FP: Flat Point RN: Round Nose RNFP: Round Nose Flat Point RNGC: Round Nose Gas Check RNWC: Round Nose Wad Cutter SPGC: Soft Point Gas Check SWC: Semi Wad Cutter