Speer Gold Dot Handgun Bullets are one many products that hunters military personnel law enforcement officials and other shooters trust. Speer has a long history of excellence having manufactured its first bullets around the time of World War II. These bullets are made to meet the strictest of law enforcement standards for performance and dependability and offer maximum expansion and weight retention. Ranked among the best self-defense bullets on the market these are designed with a Uni-Cor technology which involves the core being bonded firmly to the jacket. As a result there is virtually no bullet failure.