I've only used them on 84M's but Warne 2 piece bases with Warne Mt Tech 30mm lows have become my preference. Should be noted that the bases are weaver width....and the Mt Tech's mate well with them.

https://warnescopemounts.com/m889-843m-kimber-m84-with-8-40-screws-matte/

https://warnescopemounts.com/7213m-warne-mountain-tech-30mm-low-matte-rings/