Stock: Boyds for an economical stock. You have a stagger feed action. That is important when ordering a stock. You can spend from 20 dollars used to over 600 for a custom composite or wood stock.

Trigger: Timney, Sharp Shooter and Rifle Basics have options for you. You can do a little with a factory one but you need to understand the perils and hazards of this.

Barrels. Savages are great for this. Your bolt head gives you lots of options. NSS, Sin Arms, Apache GW and the list goes on.

Optics. What is your budget?

Hang around you will get plenty of ideas. Accuracy ain't cheap but it can be done on a budget. Knowledge is power.