[L473ncy]

Depending on the model I believe most do have the side mount.

Here on the website if you look at the AK-104 reference pics it looks like it has the side mount (2nd pic down): http://www.lctairsoft.com/pdc_aeg/aeg_ak104-nv_OBW.html

Same with the AK-74: http://www.lctairsoft.com/pdc_aeg/ae...mn-nv_OBW.html

and the AIMS: http://www.lctairsoft.com/pdc_aeg/ae...ne-nv_OBW.html