...for these cartridges are 0.458, 0.457 and 0.422, respectively; SAAMI pressures in psi are 33,500, 36,000 and 42,000, respectively. Force=Area*Pressure = PI*DIA^2/4*PSI = 5519, 5905 and 5874 lbs for these rounds, respectively.
My concern was with 44 Mag rounds exceeding current SAAMI...