The Browning BXS 20 gauge shell features a unique solid-copper sabot slug tipped with a polymer cap that will encourage rapid even expansion on your target. The heavy polymer-tipped copper slug increases downrange energy transfer and penetration. These rounds are accurate and powerful and tuned to be the best there is for shotshell deer hunting ammo.20 Gauge Solid-Copper Expanding SlugPolymer Tipped for Rapid ExpansionSabot Improved AccuracyWith a muzzle velocity of 1 600 feet per second and an expanding copper slug these shells are a great choice for deer hunters. Browning is known for its deer hunting ammo and has decades of experience in the area of designing and manufacturing reliable deer hunting ammo. Searching for another shotshell? Here is the rest of the 20 gauge category.