Subsonic small-caliber ammunition and bullet used in same
First Claim
Patent Images
1. A bullet, comprising:
- a casing engaging segment;
a rifling leade mating segment extending from a first end portion of the casing engaging segment, wherein the rifling leade mating segment has a frusto-conical shape tapering from a first diameter at a first end portion thereof to a second diameter at a second end portion thereof and wherein the first diameter is greater than the second diameter; and
a tip segment extending from the second end portion of the rifling leade mating segment.
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Abstract
A bullet comprises a casing engaging segment, a rifling leade mating segment, and a tip segment. The rifling leade mating segment has a frusto-conical shape tapering from a first diameter at a first end portion thereof to a second diameter at a second end portion thereof. The rifling leade mating segment extends from a first end portion of the casing engaging segment. The tip segment extends from the second end portion of the rifling leade mating segment. The first diameter is greater than the second diameter.
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Citations
20 Claims
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1. A bullet, comprising:
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a casing engaging segment; a rifling leade mating segment extending from a first end portion of the casing engaging segment, wherein the rifling leade mating segment has a frusto-conical shape tapering from a first diameter at a first end portion thereof to a second diameter at a second end portion thereof and wherein the first diameter is greater than the second diameter; and a tip segment extending from the second end portion of the rifling leade mating segment. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A bullet, comprising:
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a jacket drawn from a copper alloy material, wherein the jacket has a casing engaging segment, a rifling leade mating segment, and a tip segment, wherein the rifling leade mating segment linearly tapers from a first diameter at a first end portion thereof to a second diameter at a second end portion thereof, wherein the rifling leade mating segment extends from the first end portion of the casing engaging segment, wherein the tip segment extends from the second end portion of the rifling leade mating segment, wherein the first diameter is greater than the second diameter, wherein the casing engagement segment defines a bearing surface portion of the jacket, wherein the bearing surface portion has a nominal thickness less than about 0.010″
, and wherein the copper alloy material of at least the bearing surface portion of the jacket has a nominal hardness that is substantially greater than an as-drawn hardness of the copper alloy material of the bearing surface portion of the jacket; anda lead core provided within the jacket - View Dependent Claims (9, 10, 11, 12, 13, 14, 15)
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16. A round of ammunition configured for providing sufficient energy for cycling a bolt carrier in a rifle having a gas-energized bolt carrier actuation mechanism, comprising:
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a small-caliber cartridge casing configured in accordance with an original equipment manufacturer (OEM) specification for the rifle; a bullet having a casing engaging segment, a rifling leade mating segment, and a tip segment, wherein the rifling leade mating segment has a frusto-conical shape tapering from a first diameter at a first end portion thereof to a second diameter at a second end portion thereof, wherein the rifling leade mating segment extends from the first end portion of the casing engaging segment, wherein the tip segment extends from the second end portion of the rifling leade mating segment, wherein the first diameter is greater than the second diameter, wherein the casing engagement segment defines a bearing surface portion of the bullet engaged within a bullet receiving opening of the small-caliber cartridge casing thereby forming a propellant-receiving cavity within the small-caliber cartridge casing; and a propellant within the propellant-receiving cavity of the small-caliber cartridge casing, wherein the propellant is configured by a manufacturer thereof for being used in medium caliber ammunition. - View Dependent Claims (17, 18, 19, 20)
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Specification