Sierra Load Data in Caliber .223 Rem.
Sierra
Sierra Bullets was founded in 1947 by Fred A. Sierra and has since become a respected name in the ammunition industry, known for its focus on precision and innovation. The company originally specialized in making high-quality bullets for hunting and target shooting and quickly gained a reputation for accuracy and reliability.
Over time, Sierra Bullets expanded its product offerings and modernized its manufacturing processes. By integrating advanced technology, the company has kept pace with the changing needs of hunters and shooters.
Sierra’s product line includes a variety of bullets designe ...
.223 Rem.
The .223 Remington has its roots in the late 1950s and early 1960s as a civilian adaptation of a small, high-velocity military intermediate cartridge. Developed from experiments to produce a lightweight, flat-shooting round for the ArmaLite AR-15 platform, the .223 Remington was standardized for commercial sale in 1964. Over decades it evolved alongside rifle and barrel technology — changing twist rates, improved metallurgy and the arrival of more precise bullets — while remaining a staple for sport shooters and hunters. For ammunition reloaders, the history matters because early military and ...

