Federal Game-Shok Rimfire Ammunition provides high-quality rounds for your firearms. These rounds have copper plated solids as well as hollow points to ensure you have the best performing ammunition every time. The brand offers a range of calibers to ensure you can find bullets to suit your weapon. The rounds are ideal for those who enjoy hunting small game as well as the occasional varmint. Regardless of the conditions you use these rounds in, you will receive optimal performance. Bullet Weight: 40 Grains Bullet Style: Plated Lead Round Nose Muzzle Velocity: 1260 fps Muzzle Energy: 141 ft. lbs.