Modify Baton Ryusoku Flat Hop-up Bucking (2 Options) 6mmProShop Canvas covering gives it a

Canvas covering gives it a more realistic appearance

Compatible Tokyo Marui "New Version" V2 gearboxes

Inner Barrel: 230mm (6

Works best with 45mm to 229mm inner barrel lengths for extremely short barrel builds and CQB oriented DSG builds

Picatinny rails rest at the 3

Modify Baton Ryusoku Flat Hop-up Bucking (2 Options) 6mmProShop Canvas covering gives it aSmooth bore Bucking for all your Flat Hop S Hop R Hop needs Works with standard AEG hop ups and barrels Flat hop provides more consistent contact and backspin on BBs Smooth Bore Improve accuracy, range, and groupings Improved air seal Includes Hop up Bucking and nub! Hard (Black) Recommended for . 25g BBs and heavier Soft (Grey) Recommended for . 20g BBs