I have the same problem! I have a 300rum that Dallas should have done next month or I would buy yours. Hell I still might 🤣 is this the bottom metal it came with?
300 prc is on the bottom anti x 24” proof 1-9 twist, trigger tech special, piercision self timer brake, Hawkins hunter detachable mag, manners eh1. Middle is a 25sst 22” 1-7.7 bartlein barrel everything else the same. Top 6.5 saum 24” 1-7.5 twist proof with the same.
Nice looking rifle! Keep us updated. From what I see h1000 is really close to retumbo maybe a grain different. Mine was more consistent with fed 215’s than cci 250’s.