Federal Power-Shok Sabot Slug are made for rifled choke tubes, rifled barrels, and sabot hollow points. Their design provides for the highest level of accuracy as well as maximum penetration, providing you with the best. These rounds deliver a quality you can rely on. These slugs are often recommended for those who spend a lot of time behind their weapon. This is because they provide consistent quality in addition to being affordable. These bullets make a solid addition to the serious enthusiast's collection.