Teru presents a customized version of Toxicant Airsoft's "BUL ARMORY SAS II ULTRALIGHT BLACK EDITION" gas blowback pistol. Originally available in standard and "COMP" dot sight models, this review focuses on the standard version. The reviewer recommends pausing the video if the subtitles move too quickly. Additionally, the video showcases a hop dial modification where the hole diameter was adjusted to 2.5mm (though 2.3mm or 2.4mm might also work), and the weaker recoil spring E was cut by half a turn.