The Sierra 6mm 100gr Pro?Hunter Spitzer Bullet is a hunting bullet designed for 6?mm (.243 caliber) rifles. It features a pointed soft?point (SPT) design with a tapered copper jacket and a lead core, which promotes reliable expansion and effective penetration on medium?sized game. The flat?base construction helps provide consistent accuracy and stable performance when reloading. This bullet is commonly used in cartridges such as the .243 Winchester cartridge, making it a popular choice among hunters and reloaders for its dependable accuracy and terminal performance. ?