These newly manufactured Subsonic 7.62x51cartridges are built to the high standards of Sellier & Bellot using their exacting measurements and quality control mechanisms. Boxer primer new brass casings. Great for target practice competition or just an afternoon at the range spent plinking these quality full metal jacket rounds are not going to leave lead in the barrel will feed function fire and cycle positively.200 Grain Subsonic Ful Metal JacketNewly-made reloadable brass casingsMuzzle Velocity: 1000 fps (feet per second)Sellier and Bellot established in 1825 has been manufacturing ammunition for nearly two centuries and has gained tremendous knowledge and expertise over the many decades of manufacturing. Sellier & Bellot would remind its customers they are the oldest company in the world to continuously supply ammunition products. All Sellier & Bellot products are built and measured to CIP standards.