MWS bolt install Manual

First we check all the parts in the package .

Take these parts from Marui stock bolt 

Step 1, choose the weight

Original Marui bolt extension is made with aluminum .

Ours is made with steel and the extended weight and weight locker . 

They both fit the bolt carrier , depend on which weight you like .You have to choose a setting first .

Step 2 install the full auto bearing .

 Install the longer pin through the bearing to the end . Use the short pin to lock .

Then install the extension .

Step 3 install the Zero level 

Use the pin to install the zero level . Please pay attention to the spring and the pin direction . The notch should face up .

Then use the m2.5*2 screw to lock the pin .

If the notch face up and right , the screw should all in the bolt .

Then install the Marui parts as usual .

Done , enjoy !