Guns Modify High Durable SMG / GBB Hop Up Rubber (70 Degree/ 3pcs) Length-(mm)_510mm Supplied with outer barrel

Supplied with outer barrel

All plastic components have been changed to a higher strength material

The STEN (or Sten gun) was a family of British submachine guns chambered in 9×19mm and used extensively by British and Commonwealth forces throughout World War II and the Korean War

LED Module can change your Hopup chamber to be a tracer unit

Guns Modify High Durable SMG / GBB Hop Up Rubber (70 Degree/ 3pcs) Length-(mm)_510mm Supplied with outer barrelGuns Modify High Durable SMG GBB Hop Up Rubber (70 Degree 3pcs) Rubber Construction 70 Degree Design for Replace the Original Hop up rubber Suitable for Marui Gas Pistol Rifle, WE Gas Rifle, KJ Works Gas Rifle, Umarex (VFC) Gas Rifle Include 3 pIece