Pack 2 units of nub H for AEG hop chambers of 2 sizes
M4 / M16 AEG
Rubber Hop up Guarder Black Manufacture By Guarder Hardness Degree:70? Colour:Black For standard barrels and hop up chambers To AEG...
75 Degree Hop Rubber Para MB01/ L96 /APSII Hop rubber for wharf sniper, high hardness to obtain better result