So I wonder if anyone has tried this? What type of paint should I be looking into?
It is possible to paint a polymer lower, but it is not recommended. Polymer is a synthetic material that is not very compatible with paint, so the paint may not adhere well or may chip off easily. If you do decide to paint your polymer lower, be sure to use a primer designed for plastic surfaces and use several thin coats rather than one thick coat. Also, beware that some paints may react with the polymer and cause discoloration or other problems. It is always best to test a small area first before painting the entire lower.
If you are looking to add some color to your AR-15, one of the best ways to do so is with anodized parts. Anodizing is a process that creates a durable, corrosion-resistant coating on metal surfaces. This makes it ideal for AR-15 parts that will be exposed to the elements or harsh chemicals. Anodized parts are also available in a wide range of colors, so you can customize the look of your rifle. Just be aware that anodized parts may be slightly more expensive than non-anodized parts.
Another option for adding color to your AR-15 is to use cerakote. Cerakote is a polymer-based coating that can be applied to metal, plastic, and even wood surfaces. It is available in a wide range of colors, and it can provide a durable, protective finish. Cerakote can also be used to add graphics or other designs to your rifle. However, it is important to note that cerakote is not as durable as anodizing and it may require more frequent reapplication.
Finally, you could always have your AR-15 lower parts professionally painted. This is probably the best option if you want a truly custom look for your rifle. However, it is also the most expensive option. If you decide to go this route, be sure to find a reputable gunsmith or painter who has experience with AR-15s.
No matter which method you choose, adding color to your AR-15 lower parts is a great way to personalize your rifle and make it truly yours. Just be sure to do your research and choose a method that will best suit your needs.