The issue w/ hv ammo in High standards is the thin spot of the frame around the slide release. Too much hv ammo w/o proper springs can batter the recoil lug and eventually cause a crack in the frame at this location.
Which is why i bought a cheapie Ruger MkII with the short tapered barrel. I can blast away with cheap bulk pack all day long and not worry about breaking anything. Doesn't shoot like my Citation, though!