I am starting a run of aluminum loading blocks. They are made to order for your requested size, not a one-size-fits-all generic block. Please contact me if you are interested. I will have a price once I get the anodizing and laser marking arranged. I can go up to .338 LAP or even .45-70 GOV for this size block with a 50 case holding capacity. Pictured below is .308 WIN. Thank you.
PIC