1.Trim the shell to install pump A.
2.Short dart kits installation.
3.Install the front Tube 3.1 insert the front pipe decorative cap into the front tube. 3.2 connect the front tube to the blaster. 3.3 install 5cm rail. 3.4 install the front tube patch with a screwdriver.
4.Install the shoulder stock (the shoulder stock must be installed before install pulling Grip bolt).
5.Install the pulling Grip bolt.
6.Install the top rail.