EMG / Maxx Model CNC Aluminum Hop-up Unit for M4 (ME-PRO Blue)
Maple Leaf Super Hop-Up Bucking (5 Options)
Valken Ultra Hop-Up Bucking and Nub
Mad Bull 60 Degree Shark Hop-up Bucking (2pk with options)
Maxx Model CNC Aluminum Hop-up Unit for M4 (ME-PRO)
Matrix One Piece Metal Hop-up for AK Series
6mmProShop R-HOP Patch (6.03 AEG Inner Barrels)
Retro Arms CNC Machined Aluminum Hop-Up Unit for AK Series
Maxx Model CNC Aluminum Hop-up Unit for M4 (MI-PRO)
EMG x Retro Arms CNC Machined Aluminum Hop-Up Unit for M4
Modify Baton Ryusoku Flat Hop-up Bucking (2 Options)
Valken Rotary Style Hop-Up Chamber for M4
