im going to build a gun, but i cant find many actions. im looking for a remington 700 action in .204 ruger or 22-250. im looking to shoot out to 500 yards and want atleast 1'' groups at 500 yards.. i found a stock i like for 145$ and a floor plate for 35$ .a 1'' hart barrel that they will put the action onto and head space and everything else for 650$. can some body help me with finding an action in one of those calibers, im looking for one under 500$ new and is there anything else i need to make the gun.