Make your airsoft M4 rifle look different from others with these tips from DrPepperAirsoft... "Hey Guys! Coming out with another awesome video for you guys to watch! This video is on an airsoft trick to customize your gun to be your M4 compared to the hundreds of other m4s out there. It works extremely well but make sure you let it dry overnight so you don't experience and sum mages! and Enjoy! I hope you enjoy this video."