Modern pressure-testing instruments have revealed that the actual maximum pressures of typical "safe maximum" handloads run about 70,000�75,000 lb/sq in.for cartrisges that SAAMI rates as max at 60,000�63,000 lb/sq in.
Similar tests have shown that certain ammo factory-loaded on contract runs that high or higher.
Shooters keep shooting, and guns keep blowing-up.
Facts.
"Good enough" isn't.
Always take your responsibilities seriously but never yourself.