AMMUNITION FOR FIREARM (MODIFICATIONS) Russian patent published in 2003 - IPC

FIELD: ammunition, applicable as an ammunition for newly designed, perspective types of smoothbore weapon. SUBSTANCE: according to the first modification, the ammunition has a strengthened cartridge case with a base that can be opened at a shot, primer cap, secured in the support member passing in the case axis, shell, propellant positioned inside the case, the shell is permanently joined to the case, and the case and the shell have packing spring-loaded bands installed in grooves having a sealed perforation communicating with the case interior and suppressing the shot sound, built in the case is a small gas turbine fixed in the case and the support member of the primer cap, the support member of the primer cap is fixed in the shell and has annular grooves and holes on the side of the primer cap, the shell is provided with ducts connecting the perforation holes to the case interior, and the case base is formed around the support member of the primer cap and sealed. According to the second modification, the ammunition has a strengthened case with a base, shell, primer cap secured in the support member passing in the case axis, propellant positioned inside the case, the shell is permanently joined to the case, and the case and the shell have packing spring-loaded bands installed in grooves having a sealed perforation communicating with the case interior and suppressing the shot sound, positioned on the base proper are the valves opening at a shot, rings are installed on the case on both sides of the valves, the support member of the primer cap is fixed in the shell and case base and has a groove near the primer cap, in which holes are made, and the shell is provided with ducts connecting the perforation - holes to the case interior. EFFECT: enhanced reliability of ammunition, lack of receptivity of external actions, enhanced reliability and rate of fire of the weapon, absence of mechanisms removing the case from it, enhanced accuracy and range of fire; improved operating qualities of the weapon. 8 cl, 4 dwg