As LSR says, Leave well alone. The weakest point of the LG100 is the firing valve. Best replaced with the later LG110 model. Ensure th action is aligned in the reciever to give smooth cocking and fully tighten up the two cap heads.
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