Originally Posted by OKFC05

Unless it has been shot a HUGE amount, the only thing I would worry about on a clean used 686 is how much "Bubba improved it!"
I have shot them with lead loads on a long weekend shoot until they were more black than silver, and they cleaned right up, ready for next time. Soot pattern, flame cutting, drag line, stain on front of cylinder? Just clean normally, lube and shoot. Repeat PRN