Airforce .510 Texan hand cast choices

Does anyone here hand cast their own big bore slugs ? I’m casting several slugs for .257,.308, .218, .251 .. I am in the market for .510 slug molds . Curious to see what you guys are using .
I have hand casted several diff. .510 slugs with limited success. Best results thus far has been with the Rebaited Boat-Tails from African Air. I'm still relatively new to hand casting and have much to learn.

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I have hand casted several diff. .510 slugs wit limited success. Best results thus far has been with the Rebaited Boat-Tails from African Air. I'm still relatively new to hand casting, so still have much to learn.

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The biggest thing for me is weighing each one into the prevailing weight class .. and it’s painstaking for those little .218 40 grain slugs I’m use to . So I’d like to branch out to some .50 cal stuff mostly hollow points to hunt with .. and they are less finicky about weight .. I have all the dies for sizing them from .495-.513 just no molds unfortunetly
 
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The biggest thing for me is weighing each one into the prevailing weight class .. and it’s painstaking for those little .218 40 grain slugs I’m use to . So I’d like to branch out to some .50 cal stuff mostly hollow points to hunt with .. and they are less finicky about weight .. I have all the dies for sizing them from .495-.513 just no molds unfortunetly
A Lee .515 2 cavity mold 450 grain will get you started..My best mold is a NOE 450 Grain Gas Check design...I also have Accurate molds that shoot good..Can give you slugs before you buy a mold to see if they shoot..