UNDERBARREL GRENADE LAUNCHER Russian patent published in 1997 - IPC

FIELD: infantry weaponry. SUBSTANCE: underbarrel grenade launcher includes muzzle-loading barrel 1 with spring-loaded grenade lock 5, unit 2 for attachment of barrel, trigger and firing mechanism 4, inserted module incorporating back plate 14 with cylindrical outer surface having diameter equal to inner diameter of standard barrel 1, bracket 11 made fast to back plate 14 which free end carries barrel 8. Bracket has longitudinal groove 24 interacting with lock 22 of position of inserted module, inclined firing pin 15 is positioned in back plate 14. Axis of firing pin 15 crosses axis of standard firing pin and axis of barrel 8 of inserted module. Outer surface of back plate 14 has recess to accommodate lock 5. EFFECT: enhanced operational reliability. 2 cl, 7 dwg