https://www.nzhuntingandshooting.co.nz/f10/pet-load-6-5-creedmoor-superformance-31098/
that SHOULD give you a couple of starting places.
Type: Posts; User: Micky Duck
https://www.nzhuntingandshooting.co.nz/f10/pet-load-6-5-creedmoor-superformance-31098/
that SHOULD give you a couple of starting places.
https://loaddata.com/Cartridge/243-Winchester-Superformance-Data/5603
looked at using it awhile back for mates .308...we nearly came to blows over it as I wouldnt load as was asked to as wasnt prepared to take risk when no data was present.....from memory its said to...