Silver  in color  These are a perfect edition to your cusomt built Airsoft setup . Features - Smallest barrel mounted tracer unit in Airsoft with Built-In ACETECH Lighter S Ultra Compact Tracer - Improved illuminator for enhanced BB glow activation for an ultra bright trace - Sustained ROF up to 35 rounds per second - Rechargeable built in Lithium Polymer battery; fully charged battery will last over 22,000 rounds. Open the flash hider and charges via micro USB - Works with green and red tracer BBs - Auto shutoff after idling for 40 minutes - FCC, CE, ROHS compliant - Precision CNC machined Noveske licensed KX5 flash hider w/ 14mm negative thread For a very long time players have wanted the ability to run tracer units without the bulk of a full size suppressor; while there were products that tried to fill this role, there was some efficiency to be desired in most cases.Featuring the Noveske licensed Flash Hiders with built in ACETECH tracer units; finally we have the combination of sleek, low profile muzzle devices combined with high efficiency tracer units. The Noveske Amplifier is designed to give a louder bang to your airsoft guns. It can amplify any type of airsoft gun, but works especially well on GBB rifles and pistols. Amplifiers are used not only to enhance the look of the gun, but by increasing the sound, adds a little more intimidation to suppressing fire. It's loud, it's scary and it can help your gun stand out, loud and clear from the rest! Manufacturer: Licensed by Noveske Color: Anodized Silver Specifications: Diameter: 30mm Length: 82mm Thread Direction: 14mm CCW Batteries: Rechargeable Built-In LiPo Battery Material: Aluminum, Plastic