Sentinel Nine pistol, Red 9 Mauser C96, side-by-side comparison, detailed textures, metallic finish, wood grips, intricate engravings, realistic reflections, contrasting designs, vintage vs modern, firearm study, neutral lighting, white background, high resolution, 3/4 view, detailed mechanical parts, accurate proportions, gun enthusiast, detailed shadows, steel vs wood material contrast, isolated on white, detailed close-up, no characters, still life.