3D-rendered orthographic right view of the NOVASEC LUMA 12 underbarrel firearm attachment: compact, single-piece black matte module, elongated rectangular shape with beveled edges, glowing white prism-shaped ammo counter displaying '12' with cut corners and transparent cover, attachment rail insert on top, minimal tactical design, subtle NOVASEC branding, dark neutral background, soft lighting, no perspective or tilt, technical reference styleemoji