The HEVI-Bismuth Waterfowl shells utilize bismuth, which is 22% denser than steel, to deliver more downrange lethality at an affordable price. And, its safe for older fixed choke and fine classic doubles shotguns.
Hevishot Shotshells Hevi-Bismuth Waterfowl 12 Gauge 3.5in 1-1/2oz #1-Shot 25 Rounds 
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