im not selling my D300, my just to let you know DD mechaine on pirate have a great flip kit for the sticks, and Novac has clocking ring/flip ring fairly cheap,,, if your looking for DDm just type in 231 300 doubler, should pick up on his threads .....good to see someone else doing this, are you going to double it or just run it behinde the AW4? iv been tossing both ideas around in my head for a while. {ehm} but i do like to idea of have 1:70 somthing ratio with the doubler {toast}