Winchester Deer Season XP 300 Winchester Magnum 180gr JHP Rifle Ammo - 20 Rounds - Deer Season XP combines accuracy with knockdown performance for the perfect deer hunting cartridge. Features Accurate - Streamlined profile and large polymer tip combine for ideal ballistic characteristics; Rapid Expansion - Contoured jacket with tapered profile and alloyed lead core ensure terminal penetration; Massive Impact - Accelerated bullet expansion creates rapid energy transfer for devastating trauma;