Five shot custom 45 Colts usually come with load data from the builder and yes, some of that approaches 454 pressures. So what gun did Pearce recommend these 50,000 PSI loads for? Surely not a six shot factory Ruger. Pearce is very careful and firearm-specific with his load data so, Link or PDF please.50kpsi data for the Redhawk has been published in Handloader, written by Brian Pearce. Find it and make friends with 296.