That's a shame because really;
The two piece barrel was originally developed to solve design engineering problems for their new, top of the line S&W 500, and it carried on to other models. It alleviates stress at the barrel to frame joint that is inherent with the old crush fit attachment method, making this critical area including the forcing cone far less susceptible to corrosion and cracking. Both corrosion and cracking here are known problem areas in the K-Frame magnums. Two piece barrels are also supported at both ends, enhancing accuracy.
There is a reason why S&W went to the two piece barrels vs the old 1 piece barrels guys... Sometimes old doesn't necessarily mean better.