Rock185
US Veteran
I've owed multiple 66s and 686s. I've not bought the latest Model 66-8/10/12/14 or whatever. I have seen two cracked .357 K-Frame forcing cones, and even a damaged forcing cone on a Python. Unless S&W has somehow been able to design a more robust forcing cone,I would still wonder about extensive use of Magnum ammo in a 66. Using Magnum ammo, the forcing cone on my 66 didn't crack, but after a much needed overhaul at S&W, the only original parts on my 66 are the frame and side plate. Were I currently in the market, I would choose a older LNIB 686 over a current production 66 without hesitation......ymmv
Forgot to mention that I carried a 66, and later a 686, full time for several years. The extra weight of the 686 was not noticeable to me on a uniform belt, and there was another unexpected, but appreciated, consequence of going to the 686. I routinely picked up an extra couple of points on qualification scores after going to the 686. I attributed this to the extra weight of the 686 full lugged barrel being a bit steadier, as ammunition was the same, and my ability did not suddenly get better
Forgot to mention that I carried a 66, and later a 686, full time for several years. The extra weight of the 686 was not noticeable to me on a uniform belt, and there was another unexpected, but appreciated, consequence of going to the 686. I routinely picked up an extra couple of points on qualification scores after going to the 686. I attributed this to the extra weight of the 686 full lugged barrel being a bit steadier, as ammunition was the same, and my ability did not suddenly get better

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