Sorbothane is the special material that was developed for impact and vibration absorption, patented and manufactured in the USA. It is fantastic for use as the impact pad for AEG or spring action rifles pistons. It comes with two huge benefits:

• it helps with ZnAl gearbox shells lifetime
• a good way to make your rifle more silent 
• 70 Duro for springs of up to SP140 strength

SorboPad is made in four thicknesses for optimal AOE adjustment. Thicknesses listed 1 mm PU covering included:

• 3,5 mm
• 4,2 mm
• 5,8 mm
• 7,4 mm