The item ID for "Peregrine" Double-barreled Shotgun (Uncommon) is 18031
This is the spawn command to give yourself "Peregrine" Double-barreled Shotgun (Uncommon) in The Front.
Copy the command below and paste it into the server admin console to obtain. You can open the console by pressing the backtick (`) on your keyboard.
If playerID is empty, the item will be given to yourself.