Too Fat Lardies.
“As well as the original 1824 rules we can provide the 1862 update that covers the new weapons introduced, such as the Dreyse Needle Gun and rifled artillery, and the scenarios and maps that can be used to fight your battles. Truly a stunning piece of history.” Link to Too Fat Lardies web store
Command Post Games.
“We carry Kriegsspiel Maps, Scenarios, Pieces and Dice here. You can also get laser cut pieces and real metal blocks”. Link to Command Post Games webstore