Colt 357 1950's-60's

Actually the rumour is about using 125 gr light but HOT 357 Magnums. The forcing cones erode. I don't know for certain. I stick with 158 gr 38 Specials and 180 gr 357 Magnums in my Trooper MKIII. I tend to use few 38 Specials due to ring building up and making it difficult to chamber 357 Magnums.
 
sir william -thanks for the tip

I noticed carbon build up in the chambers where .38 might have been shot...It cleaned well...I've been shooting 357 only since I got it...what a solid gun...I have a SW Model19-4..nice too but not as solid as the Colt...
 
Actually the rumour is about using 125 gr light but HOT 357 Magnums. The forcing cones erode.
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That's news to me. The 357 is a very strong revolver. Remember it was designed as a target revolver and not a service model and treat it as such and it will hold up to any sane load.
Like all .357magnum revolvers you have to clean the chambers after shooting .38sp cartridges, but it doesn't prevent you from using them.
 
Majic, I did say it was a rumour. This is the same rumour you hear about K frame S&W 357 Magnums. I have not had the experiences that others seem to have had with light and HOT 357 Magnums in my own revolvers. I sometimes wonder if they are ONLY "urban legends". S&W IS dropping K frame 357 Magnums though. The rumour is that S&W is really only trying to recover their L frame R&D investment.
 
If you look at the forcing cone of the K-frame you can see where the problem can exist. The flat milled into the bottom creates the thin area that can start to erode first.
 
I have seen CRACKED forcing cones in S&Ws. I have only seen that in older 22s. The Colts have plenty of strength in that area. What do I know? I used to hot rod AMCs. LOL
 
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