Necessary supports are high for this field?
Recently decided to move to a new scope. But Im not sure what scope Leapers 4-16x50 http://www.pyramydair.com/s/a/Leapers_5th_Gen_4_16x50AO_Rifle_Scope_Illuminated_Red_Green_Mil_Dot_Reticle_Zero_Lock_Reset/1808 is my medium Accushot a good piece of editing. Would I need to buy a top mounting piece to adapt the frame on my fat cat?
With 50mm, probably. Certainly in the medium term. I personally prefer 2 pieces carriers.