TDC Mod - GHK AK MAPLE LEAF Hopup unit

Is your hopup adjustment wheel loosey-goosey? Do you feel like you simply can't tune your hop as finely as you'd like to?This is a 3D printed drop-in hopup modification, which replaces the adjustment wheel with a frame that holds a small set screw. By removing the wheel, and inserting the frame your hopup unit will use a "Top Dead Center" method of adjustment. To install, disassemble your hopup unit. Remove the adjustment wheel and fit the 3D printed frame into place.NOTE: The frame will be a VERY tight fit. Due to GHK's receivers all fitting together slightly differently I wanted to ensure that once assembled this unit would be rock solid. Because of this during assembly you may need to tap the frame into place to slide into the receiver area, or lightly sand the edges of the 3D printed frame itself. Included in this set is 1pc of frame with set screw & cut down Allen key. The additional drawings shown in the gallery give an example of how the unit will look once assembled. This k