Order some No Excuses conicals. They come lubed, but the lube holds up great in the heat. Start them with 70 grains of powder and work your load up from there. Stay under 100 grains and you should be fine.

Although check your manual. Some rifle brands do not allow a conical over 400 grains. So always follow your manufacturer's recommendations. Another option is purchase the maxiball unlubed. Then lube them as you need them. Or really save some money and cast your own from a Lyman Maxiball mold.