Tokyo Marui has a video on the SGR-12 that is separate from their first demo video shown last year. Shown at the 56th Shizuoka Hobby Show this is more of a product presentation. The SGR-12, which is the an original design by Tokyo Marui uses the AES tech seen in the AA-12, which has three internal barrels and can use the TM AA-12 AES drum magazine. It has a bigger brother the "Thor's Hammer" which was designed for Resident Evil: Biohazard 7.