Chuck's barrel.
The item id for Kuwait Chuck Barrel 0 in unturned is 5142. You can use this ID with the commands below to spawn the item, give it to a player or buy it on a modded economy server.
Size_X: 3
Size_Y: 1
Size_Z: 0.55
Blueprints: 1
Blueprint_0_Type: Tool
Blueprint_0_Supply_0_ID: 5142
Blueprint_0_Product: 67
Blueprint_0_Build: 27