Good list, but I'd also add this if going to use the factory stock for a while:I have no experience in competition but in the same boat as you, others' opinions with actual experience are more valuable than mine, but for what it's worth, here's what I went with to get started in base class, do some hunting, and match up with a 6.5 Creedmoor T3X to practice at 20c a round instead of 1.50 a round.
DIP 25 MOA Scope Rail
American Rifle Company Rings X-Low 30mm
Bushnell 6x24 Match Pro Scope
Tikka Vertical Grip
Tikka T3X Recoil Pad
Bore Tech Cleaning Rode Guide T1X
Bore Tech Proof-Positive Jag 22 RF
Bore Tech Proof-positive Bore Stix 22 RF
Wiebad Tac Pad
Atlas BT46-NC Bipod
Really Right Stuff Bipod Adapter (Atlas Bipod to Picatinny or Arca Rail)
Really Right Stuff 240mm Arca Rail