Kalashnikov firearms are either based on a “Milled” or “Stamped” receiver
Stamped Receivers need to be attached to the Front ‘Barrel’ Trunnion and the Rear Trunnion that the stock attaches to.
Attachments can be either Rivets, Screws or Welds
When using rivets there are things to consider:
When using Rivets to build a Kalashnikov there are some tools to consider: