Specialty Round Hop Unit (short cut)

Specialty Round Hop Unit (short 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 short cutout version. (long cutout version pictured)
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.