If you are intent on using a CWM type of recovery for our Razr M, the current version of philz recovery is working on our devices, thanks to the unified moto_msm8960.
Here is the link:
Being that I haven't posted before on the site, (been lurking for years), I am not able to post the link as clickable, so copy and paste and remove spaces. Please keep in mind that this will only work on the KK Bootloader, but in my tests, it works just fine. I do prefer the TWRP 18.104.22.168 overall, but philz is not bad.
Hope this helps.