It’s hard to get an answer everyone agrees on. I haven’t done it yet but (re: 1911s) using a heavier mainspring and/or a flat bottom/reduced radius firing pin stop makes the most sense to me. 460 Rowland has their Recoil Damper, which may be even better. I need to get a couple of these systems to find out for myself.
OTOH, I have HKs with the dual recoil spring setup that seems to work well.
