bolt action air cannon assembly I worked on. incl. the 4 inch main barrel, 2 inch NPT fittings & the custom brackets for the mounting plates. uses standard McMaster-Carr parts like the 44665K287 nipple etc. Ensamble de cañón de aire de 4 pulgadas con acción de cerrojo y piezas McMaster-Carr.
Chicago Industrial Bolt Action 4 Inch Air Cannon Assembly
