Have a 26 nosler built on a tikka action I can get 1/2 moa with factory 142 lrab but can only get moa out of hand loads with 142 lrab tried us869 thats all i can get. I hade it shooting awsome with retumbo but pressures where to high had hard bolt lift also tried 143 eldx they wouldn't group worth a darn . any one got some good load data for these?