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US 2024/0191981 A1Published application
Bismuth-based firearm projectiles, firearm cartridges including the same, and related methods
AssigneeFederal Cartridge Company
InventorsRobert Charles Nichols, Zachary Hugh Smith, Ralph Nauman
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Abstract
Bismuth-based firearm projectiles, optionally firearm cartridges containing the same, and methods for forming bismuth-tin-copper alloys or bismuth-nickel alloys and bismuth-based firearm projectiles are disclosed herein. The bismuth-based firearm projectiles include a projectile body comprising a bismuth-tin-copper alloy or bismuth-nickel alloy that forms at least 90 wt % of the projectile body.
Claims20
A bismuth-based firearm projectile, comprising:
- a projectile body comprising a bismuth-nickel alloy that forms at least 90 weight percent (wt %) of the projectile body;
- wherein the bismuth-nickel alloy comprises an alloy of bismuth and nickel;
- and
- wherein the bismuth-nickel alloy comprises 95-99.5 wt % bismuth and 0.5-5 wt % nickel.
1 more element
A bismuth-based firearm projectile, comprising:
- a projectile body comprising a bismuth alloy that forms at least 90 weight percent (wt %) of the projectile body;
- wherein the bismuth alloy comprises an alloy of bismuth, tin, and a third metal;
- and
- wherein the bismuth alloy comprises at least 85 wt % bismuth and at least 0.05 wt % of the third metal.
1 more element
Dependencies are inferred from the claim text.