you can replace with any standard slotted grip screws. and any and all makers of slimline grips will fit a Springfield...the whole market is open to you from alumagrips to exotics by Esmeralda, to woodgrips.com to everything offered in Brownells....for milspec'd guns, grips are grips are grips and will fit...the choice is up to you who who makes them. just need to keep in mind if its govt. or officers frame size and you are good to go.
Also note, if you go to slimline grips you will need slimline bushings. You will also need a 2 bushing bits (about 7 bucks each). One standard depth bit to remove the standard bushings and a slim bushing bit to install the short bushings. take it slow and its easy. the bits are a must to not destroy your bushings during the swap. good luck.