After that I like to bake the lower to about 150-200 degrees and then paint it. It will not adhere great and will rub off easily like type 2 anodizing but it is cheap and you can always repaint it. Read More The 80% AR-15 Lower Receiver started it all, https://sergioqxbgk.wikicorrespondent.com/5105813/top_80_lowers_geheimnisse