About M4A1-S | Leaded Glass
The M4A1-S | Leaded Glass in Factory New is the classified M4A1-S with the dark stained-glass-aesthetic illustration at FN — refined stained-glass pattern with cool colour relationships across the receiver.
Why FN matters on Leaded Glass
The Leaded Glass design depends on the cool colour relationships and the fine stained-glass detail. FN preserves both at peak clarity. The M4A1-S receiver gives the design generous visible canvas.
