BLS MAUSER MP40 440.00.09 22LR 23+1 MP-40 CAR

Mauser Rimfire 4400009 MP-40 Carbine Full Size 22 LR 23+1 16.30" Black Steel Barrel, Black Steel Receiver, Black Underfolding Stock
This is the closest you can get to an original MP-40 while keeping a rimfire action. This model comes with an underfolding stock (like a real MP-40) and a faux suppressor.