Yeah, but...you're assuming the original barrel was any good. On an RG...wow, I wouldn't bet on it.
Put another way: you can see pretty serious speed advantages with a newer S&W revolver (current production 686) over an old classic like, say, a late 1960s model 27. Now, that 27 was a superb gun but the barrel didn't shoot as fast as a current type or for that matter a Ruger GP100, and this is with all guns wearing 4" barrels.
Maurice's barrel is very, very good stuff but I don't have a handle on how fast it shoots. Has a gleaming mirror finish inside though...
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Jim March
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