Quote:
Originally Posted by Cal44
The story I've always heard was the K frames proved to have durability problems with 357 magnum cartridges.
This lead S&W to design the beefed up L frames like the 586/686.
But also, Smith has come out with J frames that have been upgraded to shoot 357 magnum.
So, are modern 357 magnum J frames more durable than K frames with the same diet?
Or should guns like the current production M60 not be shot much with 357?
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K frame 357 Magnums have been around almost 60 years now. In that time there have been advances in both metallurgy and manufacturing techniques
A modern K-frame is more durable than a modern J-frame
A modern J-frame is more durable than a 1950s or 1960s K-frame