Well, yes technically they would have .97 received accuracy but functionally it makes very little difference. And uhm, shock troops are the literal definition of specialized. They are excellent at CQC combat and nothing else.
If you want Cavalry Riflemen then well okay I'm glad for you but I just want you to be informed of the potential impact of them relative to the current situation vis a vis CQC units in combat and that units (such as ass engines, pios, assgrens and PPsh cons) with low survability and a CQC combat focus tend to be lacking in impact later into the game.
You have to think about the combined arms picture. Cavalry Rifles in a HT would be really good at harassing, killing units on the flanks, and killing Pak guns.