share your best set up for speargun

[doyenofcastle]

I am sharing my best set up for the guns i have I hope everyone can just spend few minutes sharing his own
overhang is the muzzle end till spear end
spring steel is SS with treatment
band extension 3.15 =315%

 

[doyenofcastle]

shaft material I don't know different between SS hardened and spring steel I think both same not rusted and soft but for RA/rabitech its the rusted one