I stopped by a gun shop over the weekend to finish collecting my muzzleloader stuff. I needed sabots, and was planning on ordering online. Asked him if he had any and he gave me a pack of Hornadys. They are part number 6751 and are for 45 caliber bullets in 50 caliber guns. After returning home I went online and discovered they are discontinued. Does anybody know if there is a currently manufactured sabot that is about the same? These are black and have 4 petals. The base is not flat but concave. I didn't want to work up a good load and then need to start over as soon as I run out of these sabots. Thanks!