S&W question

fastlane

New member
I have heard the term "tripple lock S&W" several times on different gun forums. What dose it mean? Are my S&W models 12, 15 ,19 tripple locks. Sorry about this question if this is common knowledge. :)
 
The triple lock refers to the older design of the large framed S&W revolvers, where the cylinder was mechanically engaged at the rear of the cylinder, the front of the ejector rod, and at the crane, where it locked into the frame in front of the cylinder. That made three locations, hence the name. S&W discontinued it many years ago. The J and K frames weren't ever made with that feature, IIRC.
 
Triple lock

The S&W 44's with the triple lock feature were history a long long time ago.
Way before WW2. Was just to insure a tighter lockup of the crane and cylinder. But some similiar things can be had these days. Dan Wesson guns lock up at the top of the crane, where the release is at, so they are similiar in that respect. You can have a gunsmith put a locking detent ball on the top of the crane of a S&W revolver, which would give a better lockup and keep the crane snugly against the frame. Ball mates to an indentation in the frame and is under spring tension. Brownells sells kits for smiths to install this mod. to guns. Otherwise your lockup is just at the back of the cylinder, and where the extractor rod locks under the barrel. I forget how Rugers lock, as the extractor rod floats loose in them. And old Colts just lock at the rear of the cylinder I think(swing out cylinder models)
 
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