1 oz. Winchester Ammunition offers two slug designs, the sabot slug or the rifled slug. Rifled slugs are designed to be used in smooth barrels. Sabot slugs are designed to be used in rifled barrels or in smooth barrels with a rifled choke tube. The 15 Best Shotguns for Deer Hunting If you hunt in a shotgun-only state, you’ll want to check out our roundup of great deer guns By Curtis Niedermier , and Tony Hansen

We have found the best accuracy when using rifled slugs in a cylinder or modified choke. Rifled Slug Designed for smooth bore barrels, Hornady® American Whitetail® Rifled Slugs feature a 1-ounce lead alloy slug that is loaded to 1,600 feet per second. Federal's TruBall is another smoothbore slug I have had very good results with but it, too, goes subsonic somewhere past 75 yards and destabilizes. A compression-style wad protects the slug at ignition and helps to seal the bore for maximum velocity.