SHS 18:1 HIGH SPEED GEARS ARE tough, reliable, and affordable. For ultra high torque and speed setups, techs love the toughness of SHS/XP gear sets. Their reliability comes from the high precision manufacturing process where they are CNC machined. However, their affordability separates them from the rest of the pack.
Comes with hardened pinion gear, grub screw and Allen key as well.
Fits M4A1 GEN8, UMP45, SCARV2, M4A1 GEN9, MP5V2, VECTOR V2, ACR , WELL M4 AND MANY MORE.
ALL STANDARD GB