Modify Baton Ryusoku Flat Hopup Bucking for Airsoft AEGs (Hard)

• Works with standard AEG hopups and barrels
• Flat hop provides more consistent contact and backspin on BBs
• Improve accuracy, range, and groupings
• Improved air seal
• Suitable for .25g BBs and heavier

Specifications:

• Compatibility: For most Standard Airsoft AEG Inner Barrels
• Material: Rubber
• Package Includes: Hopup Bucking, Hopup Nub