Black Hop up Guarder rubber
The black Guarder hop up rubber is one of the best rubbers for AEG electric rifles on the market.
Characteristics:
Manufacturer: Guarder
AEG cut rubber.
Degree of hardness: 70º. Medium-high hardness, ideal for high powers (350-500 fps)
Color: Black
Valid for cannons and standard hop up chambers
Recommended for speeds greater than 420fps (tested with 0.20g.)