For superior accuracy and expansion, get back to BLACK. Hornady BLACK 7.62x39mm Ammo is loaded with the unique MonoFlex SBR bullet. Made from super-hard copper alloy that retains 95% of its mass after contact and a polymer Flex Tip that expands immediately upon impact, it's optimized for use out of short-barreled (6.75-11.5 inch) rifles. Order today!