I wouldn't be too concerned, if you're handy enough to disassemble/reassemble the rifle easily. They're just not very complicated in design.
I once was bench testing a .375 Big Bore, that suddenly developed a very hard, grating trigger pull.
It turned out that one of the solid trigger pins had kinked, and was no longer perfectly straight - now exhibiting a sort of "dogleg" shape.
My guess is that it wasn't of sufficient hardness, and so replaced it with the shank of an appropriately-sized drill bit (ground to length), that lasted for the ten more years before I sold it to move up to a .356BB94.
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