Spare parts for all guns are sold separately: Spares Codes 1. Deluxe Gun/XT Blue Boss SP22 2. Deluxe Gun/XT Collar SP21 3. Deluxe Gun/XT Plunger Disc SP23 4. Spare Collar (Sausage Gun) SP4 5. Deluxe Gun/XT Nozzle Holder SP20 6. Spare Nozzles (fits all guns) SP5 7. Spare Cartridge (Sausage Gun) SGC