![]() ![]() This can only be applied with a MIL-A 8625-rated anodizing kit and commercial power supply. A Type III finish requires high amperage and voltage, 25 to 40 amps per square foot of surface area at 50 volts or more. Using battery acid and a typical at-home power supply will not produce a Type III anodized finish. It is highly recommended you invest in a DIY Anodizing Kit to coat your receivers at home. Does not require sealing or clear coat.Type III/Hardcoat is harder than tool steel.Produces a colorful or matte black finish.Left matte, they're most similar to a painted finish like Duracoat or Cerakote. These finishes can appear glossy or matte black with a flat and grippy texture. It's found on military rifles and virtually all retail-bought ARs, handguards, receivers, and other aluminum components found on most rifles. The Type III anodized finish is mil-spec. While most anodized finishes found on firearms look the same - matte black - the anodizing process itself can produce myriad colors and gradients. Hardcoat anodizing is little more than a coating of aluminum oxide. Personal protective equipment (PPE) is required when painting, anodizing, or coating any firearm parts.Īnodizing is the most popular finish you'll find on any AR-15 or tactical rifle. WARNING: Some processes in this guide are dangerous and should be performed by trained professionals in controlled environments. Which ones can you apply at home, and how do they compare? Learn how each coating is applied and its qualities and performance, right here. Even though they all look alike, there are loads of finishes available for your AR-15 and other guns. Like our raw 80% lowers) come unfinished so you can add your own coating. Black rifles deserve the name: They're almost all, well, black. ![]()
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