I got my 336 in 1977 when I turned 12. I always thought the trigger was pretty good on it. Still do, 33 years later. Mine's about 3 3/4 lb pull with nothing done to it since I've owned it. I doubt if its been touched internally since it left Kenna Drive. It reminds me of the single action pull on the old Smith and Wesson Model 66 I began my law enforcement career with. It really is that crisp and clean. It might not make the rifle accurate, but it does make it easier to shoot accurately!
JP