描述
  • Material: Steel 
  • For MARUYAMA SCW-9 PRO /PRO-G GBB
  •  120% recoil spring

**All aftermarket upgrade parts require necessary skill or modification to install and assemble, please consult with your airsoft technician if needed.

** The installation of this product requires experience and skills in upgrading airsoft guns.

If there are any installation problems, Please consult your airsoft gunsmith**