Remove the butt plate. Screwed on if it is wood, unscrews and pops off with a bit of effort if it is synthetic.
Remove the bolt that goes into the receiver with the appropriate tool. (screwdriver)
Replace stock.
Do the process in reverse to tighten new stock and complete.
http://www.youtube.com/watch?v=woIHhXBTQPs&NR=1
Turn down the volume...




























