Abstract: A sabot bullet having a jacket bullet body and a nonrotable sabot segments. The jacketed bullet has forward end portion, torso, and rear end portion. The forward end portion is constructed of multi-metals, having a tapered nose, hollow point with grooves to aid in the expansion. The torso is of solid single metal with outward tabs, which relates the slug when the sabot's external surface comes in contact with the rifling in the gun barrel. The rear portion a single metal with a rear cavity to reduce the over all weight and increase the ratio to the forward portion of bullet. A bullet embodiment with external rifling and an armor piecing sabot round is also disclosed.

Abstract: Composite spherical projectiles are provided for shotgun cartridges which are environmentally compatible, relatively inexpensive and have ballistic properties similar to lead shot or projectiles and which consist of metal particles dispersed in a biogradable polymeric solid matrix which includes a hydrocarbon binder containing ester functional groups which are linked to C.sub.1-20 aliphatic hydrocarbon chains, starch, and titanium dioxide.

Abstract: A frangible metal bullet, a method for making it, and ammunition made therefrom. The frangible metal bullet is formed from a mixture of metal particles and metal or metalloid binder forming material which is compacted into the desired shape, heated to a temperature above that needed to form at least one intermetallic compound but below the temperature of joining of the metal particles by sintering and below the temperature of formation of substantial amounts of a ductile alloy of the metal of the particles and the metal or metalloid binder forming material and then cooled. Such bullets have sufficient strength to maintain their integrity during firing but disintegrate into powder on impact and can be formulated to be lead-free.

Abstract: The invention relates to bullets having increased frangibility (or which can be easily fragmented) and to materials and processes for the manufacture of such bullets. The bullets of the present invention are typically made from copper or copper alloy powders (including brass, bronze and dispersion strengthened copper) which are pressed and then sintered under conditions so as to obtain bullets with the desired level of frangibility. In preferred embodiments of the invention, the bullets also contain several additives that increase or decrease their frangibility.

Abstract: A projectile having improved accuracy when fired over long ranges is formed from a monolithic block of a copper alloy. Proceeding from a nose to a heel of the projectile, is a fore portion with arcuate side walls, a body portion of substantially constant cross-sectional area that minimally contacts a rifled gun barrel, a drive band having a diameter effective to seal propellant gases and an aft portion that continuously decreases in diameter terminating at the heel. A cylindrical bore extends from an opened end at the nose to a closed end proximate to a transition plane between the fore portion and the body portion.

Abstract: A sabot pressure wad has a unitary sabot portion and an integrally formed pressure wad portion. The sabot portion has a payload receiving compartment which may receive a payload, such as a cylindrical slug, with an interference fit. The pressure wad portion has a gas seal and a shock absorbing device, such as a plurality of chevrons. A separating disc may be positioned between the gas seal and the sabot portion. The gas seal, the separating disc, and the sabot portion all have substantially the same outer diameter. The sabot pressure wad may be a single piece injection-molded part, and may be received within a shell casing along with the payload. The sabot pressure wad remains attached to the payload upon discharge from a firearm until impact with a target.

Abstract: The present invention is related to a family of materials that may act as a replacement for lead in applications where the high density of lead is important, but where the toxicity of lead is undesirable. The present invention more particularly provides a high density material comprising tungsten, fiber and binder. Methods and compositions of such materials and applications thereof are disclosed herein.

Abstract: The invention is a non lethal weapon cartridge comprising a projectile and means for propelling the projectile through a weapon barrel. A munition of this type can be employed by soldiers during operations-other-than-war, such as riot control during humanitarian missions, or by law enforcement personnel when a lethal response is not warranted. The projectile comprises a full-bore projectile body fitted with a compliant nose. The projectile is designed to be spin-stabilized such that it will fly, and impact, nose first, while describing a ballistic trajectory. The projectile is intended to be launched from a rifled weapon tube. The rifling imparts the spin necessary to achieve dynamic stability. The propulsion system utilizes a modern smokeless propellant in combination with a high-low technique to produce consistent interior ballistics.

Abstract: The invention is a fragmenting bullet comprising a copper jacket surrounding a core made from compressed, irregularly shaped lead rods. The bullet's nose has a truncated cone shape with a flat nose, wherein the jacket is open at the nose and extends slightly past the core. The bullet not only has the typical ability of fragmenting bullets to transfer energy to its target quickly and avoid overpenetrating the target, but is also able to penetrate soft body armor while retaining its other advantages.

Abstract: A penetrator having a plurality of stacked penetrator segments is disclosed. Each penetrator segment has a nose portion and a rear portion. The rear portion of each penetrator segment has a rearwardly opening cavity therein and a plurality of fins pivotally mounted thereon. The penetrator segments are stacked such that the cavity of the forwardmost penetrator segment secureably contains the nose portion of the following penetrator segment such that there is a press-fit between the cavity and the nose portion. The following penetrator segments are similarly positioned such that the nose portion of each following penetrator segment is secureably positioned in the cavity of the immediately preceding penetrator segment. The fins of each penetrator segment are restrained in a stowed position when the cavity of the respective penetrator segment contains the nose portion of a following penetrator segment. An explosive element is located between each of the penetrator segments.

Abstract: There is provided a lead-free projectile suitable for use as a bullet to be fired from a pistol or rifle. The projectile has a metallic jacket enveloping a metallic core. The core is formed from a high purity tin and has deformation properties similar to that of lead based projectiles without the environmental hazards associated with lead.

Abstract: A penetration warhead of a positively position-controlled roll-stabilized missile. The warhead has a main axis and includes a nose section which is asymmetric with respect to the main axis of the warhead, the asymmetry is selected such that upon impacting a target the forces acting on the nose section create a moment about the warhead's center of gravity which directs the penetration warhead in a direction which is substantially toward the perpendicular, thereby increasing the warhead's penetration depth.

Abstract: A composite penetrator has a plurality of dispersed high aspect ratio bodies of refractory heavy metal such as tungsten wires. A matrix of metal surrounds and wets the dispersed bodies for forming an integral penetrator. The matrix metal is characterized by having localized shear band deformation when strained. The heavy metal is selected from the group consisting of tungsten, tantalum, hafnium, uranium and alloys thereof. A variety of matrix alloys may be used which will remain amorphous or microcrystalline in an object as large as the penetrator when cooled from the molten state. An exemplary amorphous alloy comprises 41.25 atomic percent zirconium, 41.25% titanium, 13.75% copper, 12.5% nickel and 22.5% beryllium.

Abstract: A penetrator having a plurality of stacked penetrator segments is disclosed. One or more of the segments contains an explosive element Each segment has a nose portion and a rear portion. The rear portion of each segment has a rearwardly opening cavity therein and a plurality of fins pivotally mounted thereon. The segments are stacked such that the cavity of the forwardmost segment contains the nose portion of the following segment, and the following segments are similarly positioned such that the nose portion of each following segment is positioned in the cavity of the immediately preceding segment. The fins of each segment are restrained in a stowed position when the cavity of the respective segment contains the nose portion of a following segment.

Abstract: A projectile, such as a bullet, is made by combining two different metals in proportions calculated to achieve a desired density, without using lead. A base constituent, made of a material having density greater than lead, is combined with a binder constituent having less density. The binder constituent is malleable and ductile metallic base material that forms projectile shapes when subjected to a consolidation force, such as compression. The metal constituents can be selected, rationed, and consolidated to achieve desired frangibility characteristics.

Abstract: A hard-target penetrating warhead (10) adapted for use with length constrained warhead payload bays. The warhead (10) includes a warhead case (12) for containing warhead explosives (22, 27). A tungsten ballast (16) is disposed within the case (12) for providing a high warhead sectional pressure upon impact of the warhead (10) on a target. A fuse (19) detonates the warhead explosives (22, 27) upon penetration of the target. The fuse (19) is housed by a fuse well (18) that is attached to the case (12) at one end. A slip fit section of the fuse well (18) provides structural support to the case (12) and prevents dislodging of the fuse well (18) and the fuse (19) from the case (12) upon warhead target impact. Explosives blowout ports (24) included in the fuse well (18) inhibit undesirable explosion or detonation of the warhead explosives (22, 27) by accidental exposure to high heat or fire. In a specific embodiment, the case (12) has a 6 caliber radius head nose (14).

Abstract: A tungsten heavy alloy composition comprising tungsten, iron and elements selected from the groups X, Y and Z and having the formula W.sub.100-p Fe.sub.i X.sub.j Y.sub.k Z.sub.l. Such that "X" is one or more elements selected from the group consisting of Ni, Mn and Co; "Y" is one or more elements selected from the group consisting of Cr, Mo and V; "Z" is one or more elements selected from the group consisting of C, Si, Ti and Al; "i" ranges from 5 to 19.5 weight percent; "j" ranges from 0.05 to 6 weight percent; "k" ranges from 0.15 to 5 weight percent; "l" ranges from 0.05 to 4 weight percent; and "p" is the mathematical sum of i, j, k and l, and ranges from 7 to 20 such that "100-p" ranges from 93 to 80 weight percent. The blended powder mixture thus formed is hot consolidated to full density. The hot consolidated blended powder mixture is subjected to a hardening heat treatment.

Abstract: A subcaliber kinetic energy projectile includes a cylindrical penetrator core of tungsten heavy metal; a solid conical projectile tip of light metal adjoining a front end of the penetrator core in a butt joint; and a friction weld bonding the penetrator core to the projectile tip at the butt joint.

Abstract: A frangible projectile comprising cold compacted powdered iron and a method for manufacturing is disclosed. The projectile is useful for target and training applications.

Abstract: A solid object having controlled frangibility, such as a bullet or a container for explosives, is made by combining two different metals in proportions calculated to achieve a desired density, without using lead. A wetting material is deposited on the base constituent which is made of a relative dense, hard material. The wetting material enhances the wettability of the base constituent with the binder constituent, which is lighter and softer than the base constituent.

Abstract: An explosive projectile (10) with a projectile casing (12), a ballistic hood (14), an explosive charge (26) located within of the projectile casing (12), a base detonator (28) and a fragment packing (32) which is located towards the head end of the projectile. The ballistic hood (14) is constructed so as to be readily destroyable or, respectively, constituted of a readily destroyable material. The projectile casing is closed at its forward end and provided with a recess (30) in which there is arranged the fragment packing (32). The fragment packing (32) at the forward end thereof bounds the explosive charge (26).

Abstract: A process for making lead-free projectiles such as bullets using liquid metal infiltration to make a projectile having a density similar to lead.

Abstract: An improved geometric propellant loading configuration for high velocity, large or medium caliber projectile ammunition is disclosed. The propellant system includes several mutually contiguous extrudable stick shapes that in concert result in highly efficient use of propellant load space. The system reduces loading, assembling and packing (LAP) labor and overall cost, yet provides a dense pattern to increase propellant load and high perforation to improve burning progressivity over prior stick loads and more reliable and improved ballistic performance.

Abstract: A sub-caliber, spin stabilized multi-purpose projectile (FAPDS) made of a liquid phase sintered heavy metal sintered material composed essentially of metallic tungsten powder with additives of cobalt and nickel. To attain the highest final ballistic performance in lightly armored air and ground targets (e.g. aircraft, helicopters, armored personnel carriers) the present invention provides that the tungsten percentage of the projectile body lies between 90 and 99.5 weight percent, the density of the sintered material lies between 17.5 and 19.2 g/cm.sup.3 and the ratio of cobalt to nickel in the binder phase lies between 1:0.5 and 1:2.3, preferably 1:1.5. The projectile body according to the preferred embodiment of the invention is made of one piece and includes in its front portion a cylindrical pin for fastening of a projectile tip made of heat treatable steel.

Abstract: A spin-stabilized projectile containing a payload is presented. The projectile includes a projectile body with a payload chamber that may be laterally defined by a projectile casing, on top by an axial fixing device for a payload disposed in the payload chamber, and on the bottom, by a dividing wall. The projectile casing may include axial grooves on the inside, which on the contribute to the fixing of the payload and include intended break zones for freeing the payload. Below the dividing wall, an opening charge may be disposed, which includes complete radial contact and is axially spaced apart from the dividing wall by a damping device. The detonation of opening charge causes the projectile casing to immediately split open at the intended break zones to release, by centrifugal force, the payload from the payload chamber. The damping device prevents the payload from being damaged in the region of the dividing wall and prevents the release of the payload from being interrupted.

Abstract: A dividing bullet includes a projectile body having a longitudinal mid-plane and a pair of projectile halves. The halves are disposed on opposite sides of the longitudinal mid-plane and substantially symmetrical in relation to one another and to a longitudinal central axis of the projectile body. The dividing bullet also includes a seam extending through the projectile body formed between the halves along the longitudinal mid-plane of the projectile body. The halves are joined to one another along the seam by a joint that is weaker in strength than the material making up the pair of halves of the projectile body such that the projectile body will separate at the seam along the longitudinal mid-plane into the halves upon impact with a target.

Abstract: A non-toxic, highly frangible elongated soft-point training round bullet core which will disintegrate upon striking its target, for use in a training round in training exercises for law enforcement personnel and having a central heart of non-toxic metal selected from a group consisting of zinc, iron, steel, and copper with a plurality of wires of non-toxic metal selected from that group twisted around said heart throughout its length prior to being swaged into deforming and inter-engaging relation with the heart, and the core having been subsequently swaged into the shape of a soft-point nose of a bullet, with pressures sufficient to cause the strands of wire and the heart to inter-engage and deform while retaining their individuality at least to a limited extent, whereupon substantially all of the strands of the core, upon the core being fired and striking a target, will fragment along at least some of their original physical boundaries into discrete fragments smaller than the original size of the bullet.

Abstract: A composite projectile for an ammunition cartridge comprising a core formed for compacted power particulates and having opposite ends. The core is encapsulated within a jacket having an open end. A cap is contained with the jacket adjacent the open end thereof and is physically captured within the jacket in contiguous relationship to that end of the core nearest the open end of the jacket. The cap defines a fixed partition extending across the transverse cross section of the jacket that enhances the concentric positioning about the longitudinal centerline of the jacket of any powder particulates dislodged from that end of the core contiguous to the cap and functions as a penetrator when the projectile strikes a target. The core preferably is formed from a cold-compacted mixture of tungsten and lead powders.

Abstract: A penetrator having a plurality of stacked penetrator segments is disclosed. Each penetrator segment has a nose portion and a rear portion. The rear portion of each penetrator segment has a rearwardly opening cavity therein and a plurality of fins pivotally mounted thereon. The penetrator segments are stacked such that the cavity of the forwardmost penetrator segment contains the nose portion of the following penetrator segment, and the following penetrator segments are similarly positioned such that the nose portion of each following penetrator segment is positioned in the cavity of the immediately preceding penetrator segment. The fins of each penetrator segment are restrained in a stowed position when the cavity of the respective penetrator segment contains the nose portion of a following penetrator segment.

Abstract: Methods of making high specific gravity shotgun shot and small arms projectiles from melts containing primarily tungsten and iron, and particularly including specific melting temperature depressants and using specific quenching both compositions are described and specific conditions and materials and methods for making high specific gravity shot pellets and projectiles by powder metallurgical techniques are described.

Abstract: A composite lead-free bullet is disclosed comprising a heavy constituents selected from the group of tungsten, tungsten carbide, carballoy, and ferro-tungsten and a second binder constituent consisting of either a metal alloy or a plastic blend.

Abstract: An ammunition cartridge comprises a full bullet 1 held in a primer socket D containing a propellant charge P. The bullet 1 includes an flechette 2 and a launcher 10 concentrically received on the flechette to allow relative translation. The flechette 1 comprises an flechette body 3 of hard material having a conical head 4, and a stabilizer 6 fixed to a rear of the body 3. The stabilizer 6 has an integral lip 8 which seals the bullet 1 in the barrel to optimize pressure build-up during firing. The launcher translates forward relative to the flechette when released from the primer socket D. The full bullet remains intact in flight. The launcher strikes the target first and transmits high energy to the target. Immediately thereafter, the flechette translates forward to penetrate the target.

Abstract: A dividing bullet includes a projectile body and a seam through the projectile body. The projectile body has a longitudinal central axis and a plurality of individually jacketed longitudinally extending segments. Each segment has an inner core of a first material and outer jacket of a second material substantially encasing the inner core of the first material. The plurality of jacketed segments are symmetrically disposed about the longitudinal central axis. The seam extends through the projectile body between the individually jacketed segments thereof. The individually jacketed segments are joined together at the seam by a joint that is weaker in strength than the second material making up the outer jacket of each of the jacketed segments such that the projectile body will separate at the seam into the jacketed segments upon impact with a target. The second material of the outer jacket of each of the jacketed segments is greater in strength than the first material of the inner core thereof.

Abstract: An undersized kinetic-energy practice projectile of the dart type includes a penetrator and a tail unit that can be dissociated from one another while the projectile is in flight. The penetrator and the tail unit can be separated after a predetermined flight duration, by relative rotation of the tail unit with respect to the penetrator in response to the aerodynamic forces being exerted on the tail unit. This can be achieved by an element that is integral with the penetrator and is screwed onto a threaded part of the tail unit.

Abstract: The invention relates to a highly accurate core bullet with a massive core (2) and a jacket (1) for a fire arm. The core (2) extends over the entire length of the bullet and has a diameter along at least the largest portion of its length which is significantly smaller than the outside diameter of the finished bullet (1). The invention also relates to a method for manufacturing such bullet by making a bullet blank (7) wherein the shank (4) and the most forward portion of the nose-end (3) are machined to finish size; by making the jacket blank (8) and attaching the same to the shank (4) of the core blank (7), wherein the jacket blank (8) has an oversized diameter and engages in a formfitting manner with the core blank (7) at a circular step (5) and, if necessary, at a shoulder at the rear head (6); and securing the bullet blank so made between turning centers and machining the final bullet contour with high precision centered with respect to the core.

Abstract: A device for the production of explosive formed projectiles includes a cag with an explosive filling, an ignition device arranged at the bottom and a disc-shaped metal insert covering the top of the explosive filling. In order to produce several projectiles or a single projectile composed of several such projectiles with a large l/d ratio, the insert includes at least two discs, arranged directly behind each other.

Abstract: A composite projectile for an ammunition cartridge comprising a core formed for compacted power particulates and having opposite ends. The core is encapsulated within a jacket having an open end. A cap is contained with the jacket adjacent the open end thereof and is physically captured within the jacket in contiguous relationship to that end of the core nearest the open end of the jacket. The cap defines a fixed partition extending across the transverse cross section of the jacket that enhances the concentric positioning about the longitudinal centerline of the jacket of any powder particulates dislodged from that end of the core contiguous to the cap. The core preferably is formed from a cold-compacted mixture of tungsten and lead powders.

Abstract: A high specific gravity composition suitable for use as a lead-substitute, especially for firearms ammunition and angling weights, comprises:(i) a polymer matrix comprising:(a) at least one rigid thermoplastic polymer component, e.g. polypropylene, polystyrene, etc. and(b) at least one elastomeric thermoplastic polymer component, e.g. various polystyrene-based copolymers; and(ii) dispersed in the polymer matrix particles of a high specific gravity weight material having a density and present in an amount such that the composition has a specific gravity of greater than one, preferably a specific gravity in the range 8 to 12.The high specific gravity weight material is preferably tungsten powder.

Abstract: The present invention relates generally to small arms bullets and relates in particular to frangible bullets and ordinance which fragments following penetration of a variety of obstacles prior to encountering the intended target zone. The disclosure relates specifically to small arms bullets which have a high likelihood of fragmentation after target zone penetration causing a significant crush cavity following passage through obstacles including clothing, glass, building materials and other structures. The disclosed bullet design is produced in a simple and inexpensive process, provides high accuracy and fragmentation and penetration in a 5 to 15 inch target zone, at either sonic or subsonic velocities, following penetration of shielding obstacles. The bullet disclosed is of a weight and design which will permit operation at sonic or subsonic velocities, without jamming, in civilian and military small arms including automatic weapons.

Abstract: An ammunition round for guns has a cartridge case provided with a detonator cap at one end, a bullet inserted in the other open end and an explosive charge between them. The base of the bullet has a recess in which there is a pyrotechnic insert generating an illuminated trace when the bullet is fired. The bullet may be an expanding bullet. The round provides a bullet with an integral trace device.

Abstract: A projectile, such as a bullet, is made by combining two different metals in proportions calculated to achieve a desired density, without using lead. A base constituent, made of a material having density greater than lead, is combined with a binder constituent having less density. The binder constituent is malleable and ductile metallic phase material that forms projectile shapes when subjected to a consolidation force, such as compression. The metal constituents can be selected, rationed, and consolidated to achieve desired frangibility characteristics.

Abstract: Disclosed is a flow-softening tungsten alloy having the general formula:W.sub.100-p T.sub.x M.sub.y B.sub.zwherein W is tungsten; T is one or more elements selected from the group sisting of titanium, zirconium and hafnium; M is one or more elements selected from the group consisting of molybdenum, tantalum. iron, cobalt, nickel,manganese and vanadium; B is one or more of the elements selected from the group consisting of boron, carbon, silicon and aluminum; x is from 5 to 30 weight percent; y is from 1 to 10 weight percent; z is from 0 to 2 weight percent; and p is equal to or less than 30 weight percent. In this alloy p is approximately equal to the sum of x, y and z. A method of preparing this alloy and a kinetic energy penetrator manufactured from it are also disclosed.

Abstract: An armor penetrator projectile is disclosed that has an elongated rod penetrator core. The core has a central bore therein extending from a rear portion to a front end portion of the core. The front end portion is preferably conically shaped for impact with an armor plate. A self igniting pyrotechnic material such as thermite is packed within the rear portion and in the bore. The thermite is ignited by the frictional heat and pressure generated during projectile impact with a target armor plate. The ignited thermite ejects a molten jet of material through the bore and forwardly out through the impacting front end thus further melting the armor plate about the point of impact and enhancing the behind armor destructive effects of the projectile.

Abstract: The invention relates to munitions for weapons of small, medium or large caliber. The munitions include a subprojectile combined with a launcher which fills the bore of the weapon and which detaches under the effect of the aerodynamic forces on leaving the weapon, the assembly being incorporated into a cartridge which furthermore comprises a primed case and a propellent charge. The subprojectile includes a body made of hard material, combined with an axisymmetric element including a front central nozzle communicating with at least two annular nozzles to channel the airflow.

Abstract: Low toxicity shot or pellets for shotgun cartridges or the like comprises finely divided metallic particles, preferably a mixture of finely divided molybdenum and tungsten particles in a polymer matrix. The resulting pellets have a high density and are much less prone to damage the barrels of guns from which they are fired than prior suggested alternatives to lead shot. If desired, friction between the pellets and gun barrels may be further reduced by incorporating a lubricant, such as molybdenum sulphide or graphite in the polymer matrix.

Abstract: An electronic projectile (10) for use with a standard cartridge (1). Projectile (10) and cartridge (1) are loaded into standard firearms and fired like a standard bullet. After leaving the barrel of a firearm, plastic sheaths (8L) and (8R) fall away and electrodes (19L) and (19R) extend outward on wires (40L) and (40R). On impact the electrodes penetrate the skin of the target making electrical contact with internal tissue of a target. Within projectile (10) a battery (50) powers internal electronics (30) to charge output capacitors (22) and (24) to high voltage. When the capacitors are fully charged a switch (58) completes the circuit and discharges the capacitors through the target. Switch (58) discharges the capacitors 20 to 100 times per second. These pulses continue for several seconds to incapacitate the target. The polarity of the current is changes once or twice per second to alternate between acidic and basic ions being formed around the electrodes to sterilize the puncture sight.

Abstract: A non-toxic highly frangible training round bullet, and a method of making same, in which a plurality of segments of non-toxic metal selected from a group including zinc, iron, steel and copper are grouped or arranged within pressure-molding equipment and sufficient pressure is applied thereto to cause such segments to inter-engage and cohere, one to another, while being formed into a desired shape of bullet and retaining their individuality at least to a limited extent. Upon impact with a target, such a bullet fragments to a large extent along at least some of the original physical boundary lines of the original segments into new segments which are relatively small as compared to the size of the original segments. There is no substantial ricocheting or "bounce-back" activity associated with such fragmentation and, of course, there are no toxic effects.

Abstract: A low toxicity, high density composite bullet material is disclosed and its use in a practice ammunition projectile. The material includes a compacted mixture of fine lead particles each encapsulated by a non toxic thermoplastic resin. The mixture which is compacted and formed by compression molding or injection molding, has a specific density of at least 7.

Abstract: A propellant composition comprising an admixture of a first hydrogen rich material and a second metal material which is capable of reacting exothermically with the first material. The ratio of the first material to the second material is selected such that the exothermic reaction forms a solid phase and a gas phase which contains substantial amounts of hydrogen. Preferably, the first hydrogen rich material comprises a material capable of providing nitrogen upon decomposition thereof, and the second metal material comprises a material capable of reacting exothermically with the nitrogen generated by the decomposition of the first material such that the solid phase comprises a solid nitride of the second metal material.In a preferred embodiment, the first material comprises ammonium azide, and the second material comprises boron, titanium, titanium hydride, or mixture thereof.

Abstract: The present invention relates to an identifiable bullet and method for identifying such bullets. The bullet comprises a bullet jacket, a lead core and an identification tag in the lead core. In one embodiment, the identification tag is an identification section including a core and an outer protective coating. The core and outer coating are heat-resistant and flexible to prevent damage when the bullet is discharged from a firearm. The identification segment is, in one embodiment, mounted within a chamber formed at the rear end of a main projectile portion, after which a plug or end cap is positioned to hold the identification section in place and protect the identification section from damage. The chamber may comprise one or more annular grooves in which the identification section and/or the end cap extends and engages to securely hold the respective components in place.