These are available in Hulk Green Blue Red &Purple Specifications Material: Aluminum Compatibility: Fits most TM Spec M4/M16 series AEGs Color: Gold Features Includes various machined components constructed out of durable aluminum Custom colored anodized parts to enhance overall rifle look Includes an arrangement of external components to upgrade your rifle into a two-tone design Skeletonized flat trigger reduces weight while increasing trigger response Package Includes: 1x Buffer Tube, 1x Dust Cover, 1x Charging Handle, 1x Trigger, 1x Fire Selector Switch, 1x Sling Mount, 1x Bolt Release Button