sar88The CIS SR-88 succeeded the failed CIS SAR-80 series of assault rifles, arriving in a rifle and carbine form to suit operator taste. Authored By: Staff Writer | Last Edited:The Singapore Rifle 88 (abbreviated as SR 88) is a Singaporean assault rifle developed in the late 1970s and early 1980s from the SAR 80 and the Sterling Assault Rifle.