Specneeds: I load for many dozens of Rifles (both big game Rifles and varmint Rifles) and a few pistols that shoot Rifle cartridges.
To my knowledge I only load for and shoot 1 (one!) Rifle/cartridge that is OVER book maximum.
That Rifle is a Remington 700 in caliber 7mm Remington Magnum.
AND... the loading I decided on was just at "book maximum" back in 1985 when I started load testing for that Rifle!
That loading is NOW over book maximum (Nosler Reloading Guide (Manual) #6.
Not much good can come from habitually loading over book maximums and I firmly stay away from "pushing" pressure limits or "hot-rodding" my loadings.
Safety and accuracy are my prime objectives in handloading for my Rifles.
Hold into the wind
VarmintGuy