The Federal Premium TruBall rifled slug system is capable of taking the five-shot 4.5-inch spread of conventional smoothbore slugs and shrinking it to 1.4 inch at 50 yards. The Deep Penetrator projectile's higher antimony lead ensures better terminal performance. A plastic ball between the wad and slug increases smoothbore accuracy Capable of 1.4-inch groups at 50 yards Clean separation of components after muzzle exit Increased downrange energy Deep Penetrator slug's higher antimony lead ensures better terminal performance on hogs and bears Mfg: Federal