No this isn't a dejavu. These are three more of them 
En detail a Russian, a Chinese, and an African (Senegalese in French colonial service to be more specific). Steph should know when exactly they werw in use.
This time they also have a bayonet attack. In the ini it is the second attack anim, while the first and the third is the one where the rifle is fired.
DL http://www.civfanatics.net/uploads8/Riflemen1.zip
Edit: please use the AttackA anim attached as a zip file in this post for the Senegalese rifleman, it fixes the color problem of the original file.
Some previews:

En detail a Russian, a Chinese, and an African (Senegalese in French colonial service to be more specific). Steph should know when exactly they werw in use.
This time they also have a bayonet attack. In the ini it is the second attack anim, while the first and the third is the one where the rifle is fired.
DL http://www.civfanatics.net/uploads8/Riflemen1.zip
Edit: please use the AttackA anim attached as a zip file in this post for the Senegalese rifleman, it fixes the color problem of the original file.
Some previews: