its bottom in which the ignition tube 36 primer has been centrally screwed in propelling charge casing 14 is cylindrical in its essential length regions and is provided at the front with a propelling charge casing cover 40 which in a known manner is connected with projectile arrangement 44 by way of a snap connection 50 see fig4 and which during or after assembly is connected that is for example glued to the cylindrical portion of propelling charge casing 14 in an appropriately sloped fastening region 46 48 propelling charge powder 42 has been compacted in the lower region of propelling charge casing 14 around the entire ignition tube 36 and over its entire length while the remaining propelling charge powder in the upper region of propelling charge casing 14 has merely been poured loosely onto the compacted portion to assemble the one piece ammunition unit the propelling charge powder 42 is initially compacted in the pressing device shown in fig1 and 2 directly in the cylindrical portion of propelling charge casing 14 then the propelling charge casing cover 40 shown in fig4 together with the inserted projectile arrangement 44 is placed onto the cylindrical part of propelling charge casing 14 and is fastened that is glued on for this purpose the fastening region 46 lower edge of casing cover 40 and fastening region 48 upper edge of the cylindrical propelling charge casing 14 are each provided with the appropriate slope as shown for the edge 46 in fig4 when the one piece ammunition unit has been completed in its outer dimensions the remainder of the propelling charge powder is poured loosely in as the last step.