Cox 51001 Avon 20 oz Sausage/Bulk GunCox 51001 Avon 20 oz Sausage/Bulk Gun. Built for daily heavy duty use. Capacity10 oz. Cartridge, 10 oz. Sausage, 20 oz. Sausage, Bulk., Includes Spanner Wrench, Ladder Hook, and Three Yellow Cone Nozzles.