The PMC – X – 5.56x45mm – 55 Grain – FMJ is a high-quality ammunition designed for 5.56x45mm rifles. With a 55 grain full metal jacket (FMJ) bullet, it offers reliable performance and accuracy. Ideal for target shooting and training purposes, this product ensures consistent and precise results. Muzzle Velocity: 3,120 fps Muzzle Energy: 1,306 ft lbs