Red/Green Dot Sight, Aimpoint Compact style is built into a small 24mm diameter tube on a low base, which can be easily and quickly adapted to all weapons via a conventional 20mm Picatinny or RIS rails, deploying the original low profile clamp. It comes with rubber lens covers and features 5 (five) levels of brightness. This is an airsoft replica of Aimpoint Micro T1 sight which is ideal for smaller short barrelled airsoft or air rifles of AKSU type