Quote:
Originally Posted by Dodge City
Can someone explain this to me? I have a model 19-3 and a 19-4. According to the SCOSW, the 19-4 (1977) had the gas ring moved from the yoke to the cylinder...The yokes and cylinders looked the same to me. What am I missing? I look forward to an explanation. Thanks.
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That is correct, the gas ring was moved from the yoke to the cylinder in 1977 resulting in the -4 change.
What isn't mentioned, and for some reason didn't get a dash number, is that in 1974 the gas ring was moved
from the cylinder to the yoke, about the 6K5's for RB and 7K2's for SB.
The gas ring on K-frames was originally on the cylinder so 19-3's made between 1967 and 1974 will have it on the cylinder.