Black River Shot Company 20 Gauge Premium Tungsten TSS 3in #9 15 Round Box 1oz. The patent-pending cardboard/paper shot cup protects your barrel from hard shot patterns beautifully out to 50 yards and fully biodegrades within weeks - leaving no plastic waste behind. Specifications for Black River Shot Company Premium Tungsten TSS 20 Gauge 3in 1oz Shotgun Ammunition: Manufacturer: Black River Shot Company Gauge: 20 Number of Rounds: 15 Shot Size: 9 Shell Length: 3 in Muzzle Velocity: 1200 ft/s Application: Target Shotgun Shot Weight: 1 oz Shot Material: Tungsten Primer Style: Centerfire Cartridge Case Material: Brass Features of Black River Shot Company Premium Tungsten TSS 20 Gauge 3in 1oz Shotgun Ammunition Superior Barrel Protection Prevents hard shot from damaging your bore. Consistent Patterns Reliable spread and tight groupings at extended ranges. Eco-Friendly Construction Fully biodegradable wad and card system. Wide Velocity Range Engineered for dependable performance across loads. Package Contents: Black River Shot Company Premium Tungsten TSS 20 Gauge 3in 1oz Shotgun Ammunition What is Black River Shot Company Premium Tungsten TSS 20 Gauge 3in 1oz Shotgun Ammunition good for? The manufacturer suggests that it is good for target.Black River Shot Company BWC2030015: 20 Gauge Premium Tungsten TSS 3in #9 15 Round Box 1oz