How to Install a Battery in a Crane Stock Buffer Tube

If you are like most people, you have an m4 with a buffer tube. This is a quick way to instal a battery correctly. First make sure you have the correct battery size/style. A nunchuck AKA butterfly AKA buffer tube battery is ideal for this type of airsoft device.

1) If you have this stock

2) Get the back piece of, most have 2 tabs and 1 screw, I lost the screw and didn't bother to get a new screw

3) Grab yourself a battery, butterfly battery advised

4) Connect the battery and put each battery into each hole like this

5) Push them gently down and put the back cover on again

That's it! make sure to wear eye protection and practice safe use of airsoft.