The rear tang will sometimes have a steel sleeve in place.
The front lug should seat into the recess in the front pillar of the trigger guard.
Unless the stock is not inleted properly there should be no need to pillar bed. The first 1.5" of the barrel, maybe. Free float the rest unless you're using a very thin taper barrel.
Then use a pressure point at the forend.


I am the way, the truth, and the life: no one comes to the Father but by me. John 14:6