FORCE TACTICAL LIGHT MOUNT - REDUCED SIZE MODEL: FRSM16S The FRSM16S is designed to fit the Colt M16, M16A2, M4 & Ruger Mini-14®. Easy removal or installation to rifle bayonet lug Rugged construction Proven design Positive lock up on rifle bayonet lug All steel construction Accepts 1" diameter flashlight Made in the U.S.A.