Try SIMPLEX here mate
forming dies
https://simplexreloading.com.au/4-photo-layout/simplex-master-dies/
Die lists
https://simplexreloading.com.au/die-list/
Whoever did the work certainly did a good job, even if it's in 303/25 it will be still a good round, with good shot placement & good projectiles they will drive deep if needed, so any good red deer will be in serious trouble if you get the chance to do so!