Winchester Bullets 9mm (355 Diameter) 115 Grain Jacketed Hollow Point (100pk)Winchester reloading components are the same that are used in Winchester ammunition. Winchester puts their components through very tedious and strict quality control to provide the best product available at an extreme value. From plinking to big game hunting, there is sure to be a Winchester component to meet your needs. Jacket is notched to promote positive expansion. Proven accuracy and dependable feeding. This is not loaded ammunition. Technical