Birchwood Casey 13903 Perma Color Case Coloring Kit

Replicates case coloring finish without risk or expensive traditional case color hardening. Easy to apply on steel and is great for receivers, small parts and barrels.
This kit comes with a three (3) bottles (Multi Color Iridescent, Indigo Iridescent, and Dark Iridescent) and nine (9) swauber applicators.

Note: Will not work on brass, bronze, zinc, and aluminum.