The 38 Short and Long Colt cartridges were intended for Colt revolvers with chambers bored straight through. Late production (Remington or Winchester) 38 Short Colt cartridges are loaded with an outside lubricated bullet with a case the same diameter as the 38 Special. Fiocchi sells a 38 Short, which is the same as the S&W. I believe the Fiocchi Short is loaded with a FMJ bullet at higher velocity than our 38 S&W.

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GMC-USN, Retired/1978 to 2001