Army Force Airsoft hop up rubber for AEG (70 Degree)

Army Force Airsoft hop up rubber for AEG (70 Degree) Suitable for Airsoft Electric Gun AEG Rifle. 70 degrees rubber Made. Improve Performance & Trajectory. Higher Degree for Higher Velocity Gearbox Setting. The properties of the rubber are highly elastic and anti-wear. Able to increase the range and FPS for your Airsoft. Replace the standard Hop Up Rubber Chamber of AEG Rifle.