I have a Mark V that I customized over the last couple years and it is a great shooter. It is my everyday hunting rifle.
Mark V action. with the stock fluted 26" barrel.
McMillan stock , I free floated and glass bedded the action $450 stock,$25 for bedding kit
Timney trigger set to 2lbs $125
Near 10moa alphamounts $325
Swarovski Z5 3.5-18 x 44 w/ ballistic turret $1500
Weighs in @ 8lbs scoped.
total cost of upgrades $2425
It's shooting 180TSX @ 3150 ft/sec. .3moa 5 shot groups at 100m. Off the bench it shoot about a .5moa 3 shot group at 800m
I have the ballistic turret set up for 100m-800m (don't have access to a range that is further)
I have done all the work myself. All pretty easy bolt on stuff. I have owned the rifle for 12 years now but only started to modify it this last two years.