5.7x28mm 40gr FMJ American Eagle – 1655 fps – 50 RoundsReliable 5. 7x28mm Range Loads Federal American Eagle The Federal American Eagle 5. 7x28mm 40 Grain FMJ at 1,655 FPS is a high velocity training load built for the FN Five seveN, PS90, and other 5. 7x28mm platforms. The 40 grain FMJ delivers consistent accuracy, smooth feeding, and excellent ballistic performance for range use, training drills, and competition. At 1,655 FPS, the lightweight bullet offers a very flat trajectory, minimal recoil, and