Just got back, The K frame is a smaller frame than the L frame, N frame is the big one. The K frame stared life as a 38 s-w , low power, so heavy loads can be hard on it.
Re 4 in guns and shorter, nothing wrong with them, I like a 4 in better than a 6 in, and as I shot it quite a bit and it is tuned, I am better with it.
But short course in Liberial politics, a short barrel gun is a " Saturnight special that gangbangers use, " or some such B.S. according to Allan Rock who was the injustice minister that crawled out from under a rock back in the 1990's and came up with C68.. If you want I have a original copy of that , but if you read it , your head will explode. Better to pour another scotch