I have put literally thousands and thousands of rounds through -2 Model 29s. People read too much and shoot too little. OP, how many Model 29s have you personally seen that have been shot to the point of being beyond repair?
Go shoot your Smith and enjoy it. That is what they were made for.
A tall Folgers can will hold 550 rounds. Fill one up and spend a weekend emptying it, shooting at targets at extended distances: