Features: Fully Noveske Rifleworks trademarks Machined from 6061 aircraft grade aluminum Cast trademarks provide the most realistic appearance Includes selector, charging handle, body pins and forward assist 20mm top rail for mounting optics or other accessories Color: Black Compatibility: Tokyo Marui, G&P and other compatible M4/M16 series Airsoft AEG rifles Material: 6061 aircraft aluminum Manufacturer: Madbull About Madbull MAD BULL Airsoft, established in 2004, is world famous for it's Airsoft accessories. Our major focus points are: Airsoft guns, Airsoft Toy Launchers, Airsoft Toy B.B. Showers, and Upgrade kits.We have a very strong R&D team and we put a lot of effort in designing new and exciting new products for the airsoft community.