The whole thing reeks of desperation IMO. They can' t make the grade by industry standards...so they make up their own standards?!?
OR..is it the other way around? Now (playing the Devil' s advocate here) what if HCA found a limb material and design that actually could stand up to shooting 3 grains per pound and never have an issue?? " Pioneers in the industry" will be the caption of their new marketing campaign.
(stir the pot baby!

)