Remove the front screw to float the barel. The Steyr rail has cant built into it which you wil need with high scope. Given the price of the rail, a set of sportsmatch adustable mounts wil do the job. Down to personal choice realy.
Make every shot count
Steyr Hunting 5 Scott Lupold 3-9x33EFR(for LSR )
FWB P70/Bushnell 6500 4-30x50T
SteyrLG110/Bushnell 6500 5-30x50
Steyr LG 100 FT Bush elliot 8-32x40