The Winchester Super-X WC402 brings trusted Super-X performance to shooters who demand reliable 40 S&W ammunition for range work, target shooting, and duty use, offering 180 gr Winclean Brass Enclosed Base bullets that deliver proven accuracy and positive functioning shot after shot; this Super-X series has been a benchmark since 1922 and the WC402 continues that legacy with high velocity performanceapproximately 990 fps and about 392 ft-lbs of muzzle energywhile the enclosed base design helps prevent barrel leading and ensures clean, consistent pressures in semi-automatic pistols, making follow-up shots predictable and feeding smooth; hunters who carry pistols or shooters refining accuracy at the range will appreciate the combination of weight and velocity for controllable recoil and reliable terminal performance, and range officers value the dependable cycling and minimal fouling for high-round-count sessions; if you want Winchester reliability in 40 S&W with Winclean brass, the Super-X WC402 is built to deliver consistent accuracy, dependable function, and high-velocity performance for training, competition, and service use.