Specialty Round Hop Unit (long cut)

Specialty Round Hop Unit (long cut) 3d printed
This hop unit was designed to allow easy manual chambering of aspherical rounds, specialty rounds, and for nozzle-bucking compression testing in the M4. This is the long cutout version.
cm: 5.242 w x 2.642 d x 1.6 h
in: 2.064 w x 1.04 d x 0.63 h


  • White Strong & Flexible

    White nylon plastic with a matte finish and slight grainy feel.