Abstract: A segmented, discardable sabot for a slender sub-caliber kinetic energy projectile. At least two sabot segments are provided having adjacent plane parallel segment separating faces and presenting at least one caliber-sized gas sealing pressure flange member and a non-caliber sized partial region along the longitudinal extent of the sabot. The overall cross section of the sabot, at least in the partial region, has an essentially polygonal cross-sectional shape, and a tangent placed at any point of the periphery of the sabot does not pass through the cross-sectional area of the sabot, thereby providing increased bending stiffness in the non-caliber-sized region of the sabot.

Abstract: An improved subcaliber fin-stabilized penetrator projectile having a plurality of high density pre-penetrator elements mounted in axial alignment in front of a main penetrator body. A casing having a frusto-conically shaped inner axial through-bore is threadably mounted on said main penetrator body and said pre-penetrator elements are matingly mounted in said through-bore and have mating frusto-conical shapes. A ballistic hood is threadably mounted on the forward end of the casing. The main penetrator and pre-penetrator elements are made of a high density metal alloy.

Abstract: An improved armor-piercing penetrator projectile includes a core made of a material having a high tungsten content which is in metallic form. The front portion of the core is in the shape of a hemisphere and includes a nose point in the form of a ballistic hood. The core extends or occupies the entire cross-section of the projectile and has a high length/diameter-relationship. The hemispherical front portion of the core is adapted to directly contact a target upon impact of the projectile.

Abstract: A casing for a projectile that includes a combustible propellant container is improved by the addition of a flexible spring steel bearing plate that includes a number of holes for the purpose of facilitating combustion of the propellant container and a number of radial slits to increase the plate's flexibility.

Abstract: A fin-stabilized subcaliber projectile having a drive cage comprising a plurality of segments and surrounding the body of the projectile in its central region. A tail disc is fastened to the cage and jointly covers the segments and tears in the region of the joints upon the release of the cage. Both the tail disc and a plurality of reinforcing segments corresponding to the drive-cage segments, and a connecting piece produces the connection to a burnable cartridge case disposed at the tail end of the drive cage one behind the other, these elements being connected to the drive cage by means of non-burnable fastening means.

Abstract: A cartridge shell has a cup-shaped metallic case stub whose rim is internally recessed to form an annular shoulder against which an inner skirt of a polymeric sealing ring, forming an extension of that rim, comes to rest while being flush with the inner cup surface. The rim portion of reduced thickness may be adhesively bonded to the skirt internally overlying same; that portion may form an annular web with an enlarged edge bead received with a snap fit in a complementary annular groove of the sealing ring separating the inner skirt from an outer skirt concentric therewith.

Abstract: A propellent-charge cartridge case which comprises a cartridge-case stub which has a cartridge-case wall and includes at least one part provided with a resilient gas check which can be pressed against a barrel wall. The cartridge-case wall is formed with an annular groove cut from the outside into the cartridge-case wall which weakens the cross section of the wall. A resilient insert fills the annular groove so that as gas pressure builds up within the cartridge case upon firing, the cartridge case stub is deformed in the region of the annular groove so as to reduce the size thereof and squeeze the insert out of the annular groove in gas-sealing manner against the barrel wall.