Here is video tutorial on how to install lipo battery in buffer tube.
I also recommend to use nylon Velcro Hook Loop cable to ties your stock cover just in case not to lose it in somehow (you can get free Velcro Hook Loop cable around your laptop AC power adapters).
https://www.youtube.com/watch?v=U7yLIRKpkwo
I also recommend to use nylon Velcro Hook Loop cable to ties your stock cover just in case not to lose it in somehow (you can get free Velcro Hook Loop cable around your laptop AC power adapters).
https://www.youtube.com/watch?v=U7yLIRKpkwo