M4A1-S | Golden Coil is a lavish rifle introduced with the Shadow Case on September 17, 2015. This M4A1-S uses a "Custom Paint Job" finish: a deep charcoal base is overlaid with ornate gold filigree and a coiling serpent that winds across the receiver and stock, with matching gilded accents on the suppressor, trigger guard, and magazine well. Subtle scale and hex textures add depth without overwhelming the rifle’s suppressed silhouette. Because the artwork is largely fixed, pattern seeds change only minor swirl placement while preserving the dramatic snake motif. In Factory New condition, the coating is immaculate: no edge wear on the handguard, no chips on the suppressor’s gold, and the glossy details remain razor-sharp. Opulent yet lethal, Golden Coil pairs quiet precision with showpiece luxury for players who want their clutches to shine.