Federal Power•Shok slugs offer affordable rifled slug options for any style of shotgun hunting. These loads provide accuracy and power at a bargain price. The Power•Shok rifled slug is designed for use in smoothbore barrels. It provides ample power for deer and similar game. This soft lead slug delivers good expansion and is accurate out to 100 yards. When combined with the TruBall system, groups tighten up nicely.