Win Bismuth 12Ga 3" #4 15/150

Winchester Bismuth 12-gauge ammunition delivers non-toxic shot performance for waterfowl and upland hunting where lead alternatives are required or preferred. This 3-inch magnum load fires #4 bismuth pellets with a tin-plated finish that ensures consistent, spherical shot geometry—critical for reliable pattern density downrange. The buffering compound Winchester includes in each shell surrounds the pellets, minimizing deformation during firing and helping the shot maintain its shape through the barrel, which translates to tighter, more predictable patterns in the field.

Bismuth is denser than steel shot but softer than lead, giving it ballistic characteristics closer to traditional ammunition while staying compliant with non-toxic regulations. The tin-plated construction adds durability and promotes uniform round shape across the entire load, reducing flyers and improving shot-to-shot consistency. This matters when you're threading a 40-yard crossing shot or working a tight decoy spread—you need shot you can count on.

Each box contains 15 rounds of 3-inch magnum shells, making it a practical addition to your reloader's bench or a go-to choice for serious waterfowlers and upland hunters who've committed to bismuth performance. Winchester's buffering system and plating process address one of the traditional complaints about bismuth: maintaining the shot column integrity that makes it pattern like quality lead ammunition.

Key Features

• Tin-plated bismuth pellets for maximum spherical consistency
• Buffering compound cushions shot during ignition and reduces pellet deformation
• #4 shot size suited for waterfowl and upland game
• 3-inch magnum load for extended range capability
• Non-toxic shot meets waterfowl and sensitive-area hunting regulations

Specifications

Frequently Asked Questions

Is Winchester Bismuth ammunition legal for waterfowl hunting?

Yes. Bismuth is a non-toxic alternative to lead shot and is legal for waterfowl hunting in areas where non-toxic shot is required. Always verify your local hunting regulations before heading out.

How does #4 bismuth shot compare to steel for waterfowl?

Bismuth is denser than steel and behaves ballistically closer to lead, offering potentially better range and pattern performance. However, #4 shot size suitability depends on your target game and distance—confirm your preferred shot size for your hunting situation.

What's included in each box?

Each box contains 15 rounds of 3-inch 12-gauge shells loaded with tin-plated #4 bismuth shot and buffering compound.

Why is buffering compound important in bismuth ammo?

The buffering compound cushions the bismuth pellets during the firing process, reducing deformation and helping them maintain their round shape. This promotes more consistent patterns and better long-range performance.