High performance. Custom-scored jacket designed for controlled fragmentation. Round nose maximizes ballistic performance. Compressed core guarantees target accuracy. Hardball profile plastic tip guarantees feeding in all types of firearms. Low recoil. Contains no chemicals. Choice of professional & private law enforcement world wide. Standard packages of 6 rounds not broken. GLASER BLUE: uses #12 shot to minimize ricochet danger. GLASER SILVER: uses #6 shot to maximize penetration.