HEVI-Shot HEVI-BISMUTH WATERFOWL 16 Gauge 1 1/8oz 2.75in #6 Centerfire Shotgun Ammo 25 Rounds. HEVI-Shot's HEVI-Bismuth 16 ga pellets are 22percent denser than steel and give you increase downrange lethality. HEVI-Bismuth 16 gauge loads have 1-18oz. non-toxic shot in 2.75" shells with a muzzle velocity of 1350 fps (feet per second). With biodegradable flax seed filler that's superior to the usual plastic filler the price is still within a reasonable budget for such high performance. Grab a box before your next waterfowl hunting trip and see for yourself. Specifications for HEVI-Shot HEVI-BISMUTH WATERFOWL 16 Gauge 1 1/8oz 2.75in Shotgun Ammunition: Manufacturer: HEVI-Shot Gauge: 16 Number of Rounds: 25 Shell Length: 2 3/4 in Muzzle Velocity: 1350 ft/s Application: Waterfowl Shotgun Shot Weight: 1 1/8 oz Shot Material: Bismuth Primer Style: Centerfire Cartridge Case Material: Brass Lead Free: No Velocity: 1300 fps Features of HEVI-Shot HEVI-BISMUTH WATERFOWL 16 Gauge 1 1/8 oz 2.75": 1-18oz. non-toxic shot 2.75" shells Biodegradable flax seed filler Package Contents: HEVI-Shot HEVI-BISMUTH WATERFOWL 16 Gauge 1 1/8oz 2.75in Shotgun Ammunition What is HEVI-Shot HEVI-BISMUTH WATERFOWL 16 Gauge 1 1/8oz 2.75in Shotgun Ammunition good for? The manufacturer thinks that it is best for waterfowl.HEVI-Shot HS16706: HEVI-BISMUTH WATERFOWL 16 Gauge 1 1/8oz 2.75in #6 Centerfire Shotgun Ammo 25 Rounds