I load sts shells with 7/8 load and i use cheddite primers and waa12L claybuster wads(used with 7/8 load). i have a whole bunch of double a hulls that i want to reload too. i cant seem to find any info on a 7/8 load with my supplies that i have. if anyone can help me with any info. for example is this load possible and if so what bushing to use in my mec. i already tried the imr website with no luck. thanks