Bpr performance rimfire (hunting) consists of two high-level performance products.These products are designed for smooth feeding, reliable extraction, and consistent performance.This 22 winchester magnum has a jacketed hollow point bullet and comes packaged 50 per box, 20 per case.Bullet Coating: Black OxideCaliber: 22 MagBullet Type: Jacketed Hollow Point (JHP)Bullet Weight: 40 grMuzzle Energy: 324 ft lbsMuzzle Velocity: 1910 fpsCasing Material: BrassRounds Per Box: 50Boxes Per Case: 20Hazair: Yes