This hop-up tensioner nub set from Prometheus contains the necessary components to create a perfect seal when combined with either soft or hard hop-up buckings depending on your AEG. The use of a tensioner nub results in increased hop-up accuracy and consistency by providing a perfect seal between the hop-up unit and tightbore barrel to allow the BB to move smoothly through the AEG. The universal design of this nub set allows it to be used in most AEG hop-up units.

Features:

• Soft Color: Blue
• Hard Color: Black
• 2x Tensioner Nub Set
• Flat Design
• Improves Accuracy & Consistency
• For Hard & Soft Hop-up Bucking
• High Quality Rubber
• Creates Flat Hop-up Surface