After many years, see how springy YOU are, yes?
The 99m1 was made from 1966-1979...at worst it's 44 years old, at best it's 31.
Replace the recoil & hammer springs. A new Firing Pin might be a good idea as well.
And the buffer, while yer at it. Then Polish the bolt. It'll act like a new gun.
Use Arrowdodger's model 60 dissassembly post that's all over the net as your guide.
If you MUST get a new rifle, get a Marlin 795.
Far more precise outta the box than a 1022 ever dreamed of being.
And half as expensive