This review by Mister Moro for Hyperdouraku was done in May of this year and this shows a new custom work based on the Tokyo Marui NGRS, the MS Factory M16A1VN Custom NGRS... "MS FACTORY has custom-built this M16A1 based on a next-generation electric gun. Experience the recoil shock and metallic sound associated with firing a next-generation unit with the M16A1. Let's take a closer look.

Read the rest here and below is the video: