I have a Sendero sf II that im going to start upgrading to for deer hunting at long ranges. So far on my list is Ordering a Mcmillian remington hunter stock. Getting a jewell trigger, lap locking lugs, Target crown and skim bedding the stock. I have decided on a Zeiss conquest with custom turrets and using Mark 4 rings and base. Without breaking the barrel from the action is there anything else that I can do to improve accuracy? I was thinking about getting the barrel lapped also? I do reload and will be doing a great deal of load development. If you can give me some ideas it would help greatly. This rifle is a shooter and if I do my part I can shoot a 3/4 or better group at 100 yards consistent. If I can do these upgrades and get it shooting 1/2 inch or better I wouldn't need to true the action or add a custom barrel.