Federal Premium Power Shok 16 Gauge 4/5oz Rifled Slug Centerfire Shotgun Ammo, 5 Rounds, F164 RS

"Federal Premium Power Shok 16 Gauge 4/5oz Rifled Slug Centerfire Shotgun Ammo, 5 Rounds, F164 RS. The projectiles are designed for accuracy and expansion and give a definite twang. Both projectiles utilize the notch cut nose often found on rifle barrels.