Features

• Replacement hop rubber and nub for standard Marui type AEG barrels
• Increased durability and grip
• Improved air seal and oil resistance
• Includes rubber bucking and nub

Compatible with: most AEGs

Installation notes:

• It may be necessary to trim the rubber to fit into some hop up units

Hardness selection:

• Soft: below 400fps
• Hard: above 400fps