I have a complete unused set of SFT internals and a complete used HE bolt/can/guide if you are interested but I dont want to split them up.
However, I have bought several shocker parts from sawyerpb on ebay.com in the US.He is a top class seller and he only charges 6-8 dollars for international postage.He also on pbnation with several parts stores (US paintball forum).
Here is a link to his shocker parts store
http://www.pbnation.com/showthread.php?t=4074883&highlight=sawyerpb
HTH