For HW100 money for FT well worth looking at Pro Targets or early EV2s. Admittedly the HW100 action is good but you'd need to do a lot to make it into a basis of an effective FT rig.
AirArms RN10/EV2 Stock-2007 Big nikko FT Kit
AirArms NJR100 Hawke Airmax SR6 HFT/SFT Kit
Feinwerkbau 600 10 metre
HW77K-zeiler 6-24x44 Work in progress
Webley Vulcan .22 Lovely old relic