I install new parts:
Barrel
bolt
stock
trigger
safety
pillars
recoil lug
recoil pad
sling studs
glass bedding
scope, bases, and rings


...............but keep the old receiver..... after drilling and tapping holes in it, and opening up the feed lips.


There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. -Ernest Hemingway
The man who makes no mistakes does not usually make anything.-- Edward John Phelps