When I was doing a lot of combat shooting (+400 rounds every week, per handgun) I was using reloads from a Dillon Square Deal that were about a 7/8s load. Strong enough not to mess with slide timing, yet toss the brass completely clear of the pistol without excessive recoil.
I changed the recoil springs often, but then they were 6 to 8 dollars per each. Every year they went back to Tussey for preventative service.
The wild card was a stainless Colt Officers ACP. That was the gun I carried at work, and I shot that puppy with fullhouse loads at every outing. After the third complete rebuild, Tussey pronounced it a "wall hanger" and told me to stop shooting it--it is the only firearm I have ever worn out.
So technically, there is a need for shock buffers. My records show that I loaded 80,000 rounds before I broke the handle on the Square Deal, which Dillon replaced for free--and I continued from there. That encompassed a full-size 1911, a Detonics and the Officers ACP.
If you're a combat shooter, I say "maybe," but you have to be doing serious damage to a pistol to be a candidate.