US 11,852,449 B2
Bismuth-based firearm projectiles, firearm cartridges including the same, and related methods
Robert Charles Nichols, Albany, OR (US); Zachary Hugh Smith, Lebanon, OR (US); and Ralph Nauman, Bend, OR (US)
Assigned to Federal Cartridge Company, Anoka, MN (US)
Filed by Federal Cartridge Company, Anoka, MN (US)
Filed on Jun. 25, 2021, as Appl. No. 17/358,465.
Claims priority of provisional application 63/044,209, filed on Jun. 25, 2020.
Prior Publication US 2022/0120543 A1, Apr. 21, 2022
Int. Cl. F42B 12/74 (2006.01); C22C 12/00 (2006.01); F42B 12/78 (2006.01)
CPC F42B 12/74 (2013.01) [C22C 12/00 (2013.01); F42B 12/78 (2013.01)] 20 Claims
OG exemplary drawing
 
1. 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 95-99.9 wt % bismuth and 0.1-5 wt % nickel; and
wherein the bismuth-nickel alloy does not comprise copper or silver.
 
19. 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 consists essentially of an alloy of bismuth and nickel;
wherein the bismuth-nickel alloy comprises 95-99.9 wt % bismuth and 0.1-5 wt % nickel; and
wherein the bismuth-nickel alloy does not comprise copper or silver.