Yup. I would not be comfortable shooting only 357 loads in my Model 19. S&W actually recommended that officers practice with 38s and carry 357s in their Model 19s.

The L-Frame was created by S&W to bridge the gap between the much heavier N-Frame, which could shoot 357 loads all day long, day after day, and last forever, and the K-Frame which is really not suited to long term durability with a steady diet of 357s.