Ammunition

Patents tagged Ammunition

May 6, 2025

US12292270 - Shotshell with a biodegradable wad

A shotshell including a hull with a metal head, a base wad, a primer and an outer tubular element, a powder housed inside the hull, and a wad housed inside the outer tubular element and above the powder. The wad includes an inner tubular element adapted to contain a plurality of pellets and having a first and a second end, and a side wall, and a sealing element. A side wall of the inner tubular element contacts an inner side wall of the outer tubular element. The sealing element is inside the outer tubular element of the shotshell between the powder and the first end of the inner tubular element and an outer side wall of the sealing element being in contact with the inner side wall of the outer tubular element, and outside the inner tubular element and in contact with the first end of the inner tubular element.

Apr 29, 2025

US12287169 - Installation provided with linkless ammunition loading system

The installation includes a traversing portion configured to be rotatably mounted and supported on a stationary support structure, to rotate about a traversing axis. An elevating portion is rotatably supported by the traversing portion about an elevating axis perpendicular to the traversing axis. A firearm assembly supported by the elevating portion has a barrel configured to fire linkless ammunitions through firearm assembly. A magazine is configured to contain a plurality of linkless ammunitions to be fed to the barrel. A feeding assembly is configured to transfer the linkless ammunitions from the magazine to the barrel. The magazine is carried by the traversing portion and is operatively integral therewith. The feeding assembly is carried by the elevating portion and is operatively integral therewith. A transfer device mounted on the traversing portion is configured to transfer the linkless ammunitions (A) from the magazine to the feeding assembly.

Apr 29, 2025

US12287184 - Ammunition cartridge casing

An ammunition cartridge casing is provided having a primer body and a casing body. The primer body has an inner primer portion and an outer primer portion configured to nest in conformance with an outer surface of the inner primer portion. The outer surface of the inner primer portion provides a circumferential trench having a radially outwardly extending circumferential wall portion contiguous with an axially extending circumferential wall portion. The casing body has a distal end portion and a proximal end portion. The proximal end portion of the casing body is interposed between the inner primer portion and the outer primer portion within the trench having an interlocked axially extending circumferential portion and an interlocked radially outwardly extending disc portion of the casing body entrapped between the inner primer portion and the outer primer portion. A method is also provided.

Apr 22, 2025

US12281865 - Mechanical velocity enhancement assembly

A supplemental propulsion system for a weapon used to fire a projectile includes a barrel and chamber to hold a projectile round. A translating pressure tank surrounds a portion of the barrel, and the pressure tank is configured to translate along the barrel. A recoil spring assembly includes a spring and a pressure plate downstream of the chamber for holding the projectile round. The pressure tank is coupled to the pressure plate such that the spring is configured to stretch upon firing of the projectile and translate the pressure tank along a length of the barrel. The barrel includes a first port configured to selectively align with a first tank port during translation, for the discharge of pressurized gas from the pressure tank. The discharge of pressurized gas occurs rearward of the projectile as it passes through the barrel after firing.

Apr 22, 2025

US12281868 - Increased capacity ammunition magazine

An increased capacity replacement firearm ammunition magazine for a polymer or polymer-over-metal single stack firearm ammunition magazine for a Glock® handgun, comprises a metallic body dimensioned to compatibly replace the single stack magazine for the Glock® handgun, the single stack magazine having a body having exterior dimensions defined by polymer or polymer-over-metal forward, aft, and side walls, the metallic body having exterior dimensions defined by metallic forward, aft, and side walls, an exterior width dimension of the metallic side walls compatibly matching an exterior width dimension of the side walls of the single stack magazine body, the metallic walls being thinner than the walls of the single stack magazine, the thinner metallic walls allowing an at least partially laterally offset arrangement of cartridges in the metallic body, the forward wall of the metallic body including at least one spacer extending along the forward wall, the spacer sized such that a forward-to-aft exterior dimension of the metallic body compatibly matches a forward-to-aft exterior dimension of the single stack magazine body, a length dimension of the metallic body compatibly matches a length dimension of the single stack magazine body, a cut-out in the metallic body adapted to receive a firearm magazine catch therein, the cut-out including an upper edge, and polymer over at least the upper edge of the cut-out.

Apr 22, 2025

US12281883 - Bullet with controlled fragmentation

A bullet with controlled fragmentation has a core in the form of a generally cylindrical body having a forward end and a rear end and intermediate side portions extending there between, the forward end of the core defining a cavity, a jacket encompassing the rear end and at least selected portions of the sides of the core, the jacket having a sidewall having a first drive band portion having a first wall thickness, and a second portion immediately forward of the drive band portion having a second thickness less than the first thickness, the exterior of the jacket defining a cannelure groove encircling the bullet, and the cannelure groove being positioned forward of the first drive band portion. The drive band may have forward edge defining a step. The bullet of the present invention may also be received in the case mouth of a rimless case and be partially protruding therefrom.

Apr 22, 2025

US12281884 - Bullet with jacket improvements

Devices and methods for a bullet with a strengthened mouth for improved penetration and expansion. In embodiments, a portion of the jacket is folded to provide double walls at the mouth. In embodiments, the jacket and core are partially bonded and partially separated.

Apr 22, 2025

US12281887 - Ported press adapter press mandrel system and method of using same

A Ported Press Adapter Expand Mandrel System (PPAEMS) includes a Ported Press Adapter (PPA) as a significant advancement beyond the Expand Mandrel Window Riser (EMWR) by adding multiple radial holes to provide increased light intrusion, full 360° visibility, and balanced stress distribution with a pattern of port holes, slots, or other openings. Additional clarity is provided by an ancillary light source directed into the working area. Utilizing a small diameter Mandrel Holder (MH) allows for a wide range of mandrel diameters for installation in tight working areas (coax and progressive presses) and improves axially precision with a fine thread pitch.

Apr 15, 2025

US12276001 - Process for preparation and use of inorganic markers for security identification/marking on explosives, fuses and ammunition after detonation and on firearms and metal projectiles, products obtained and process of inserting markers on explosives, fuses and ammunition and on firearms and metal projectiles

With respect to an unprecedented process of preparation of inorganic fluorescent markers under the action of infrared light, for identification and marking, by a specific insertion process, in explosives, fuses, ammunition after detonation, as well as the identification and marking of steel and metal alloys of firearms and metal projectiles an improvement includes the physical insertion of the markers in the channel and in the crucible of the pig iron production process; in this improved process, marking was carried out in the ratio of 1 part of the marker to 1,325,750 parts per mass of pig iron.

Apr 15, 2025

US12276467 - Sound, flash, and heat dissipating firearm suppressor

Embodiments described herein relate to suppressors for reducing or eliminating sound, flash, and/or heat generated by firearms while discharging projectiles. The suppressor includes a unitary structure containing a cone shaped nozzle disposed at one end of a body. The body has a plurality of baffles surrounding a central bore, a breech end opposite a faceplate, and a plurality of cooling channels spanning a length of the body. Each cooling channel has a first opening at the breech end and a second opening at the faceplate. The unitary structure further contains an outer ring spanning from the breech end to at least the faceplate, a longitudinal wall spanning from the breech end to the faceplate, and a plurality of radially oriented walls extending between the longitudinal wall and the outer ring. The plurality of cooling channels is disposed between the longitudinal wall, the outer ring, and the radially oriented walls.