Completely disagree, I have a both a security six and a GP100. And the SS out classes the GP100 all day long. Only difference being that the SS obviously has more rounds through it. Not to mention the SS is much more aesthetically pleasing. So to answer the OP, IMO YES.The new GP100 triggers and SP101 triggers I've tried are A LOT better than the Security Six triggers out of the box.
Completely disagree, I have a both a security six and a GP100. And the SS out classes the GP100 all day long. Only difference being that the SS obviously has more rounds through it. Not to mention the SS is much more aesthetically pleasing. So to answer the OP, IMO YES.
The GP100 was designed in responce to the short comings of the SS.
I agree, the L frame was created by Smith to compete against the Security/Service/Speed six line. The Security six was starting to win the battle of the LE revolvers because of the short comings of the Smith mod 19/66. The 19/66 just could not hold up to the full house 357s. Security Six was much stronger and could stand a steady diet of 357s as long is you did get wild with reloading. The GP100 Ruger was not even a factor until 1985. The GP100 replaced the Security Six because Bill Ruger claims "he never made any money making the Security Six". The GP100 was designed with the latest in investment casting processing. Plus the GP100 was made to compete with the L frame.Actually no.
The GP100 was introduced largely to compete with the S&W L frames, which were being touted as being able to withstand a steady diet of .357 magnum ammunition, and had gathered a large market share of both police and civilian sales due to the perception of their strength.
The truth was, the Security Six revolver series was quite able to hold up to more full .357 magnum than not only the K frame Smiths, but imho, (and my experience), they held up better than the first generation L frames as far as not needing tightening or parts repair after many thousands of factory .357 rounds.
jmfwsu, Ruger quit making the Security Six series around the time you say the one you're looking at was made. If it's in good shape, and hasn't been abused, (a lot), it will end up being one of the finest revolvers you have ever owned. I own several of them, along with dozens of S&W's. If I want to win a PPC match, I'll use one of my Smith's. If was packing a gun in the backwoods, I'd grab one of the Rugers.