Brules said:
I'm pretty sure the Wrangler cylinder will not fit the Single Six. I assume you're correct on the dual grooves are to ID it as a Wrangler cylinder. For the money the Wranglers are a steal. I have 3 Wranglers and each cost $179.
A nice improvement with those grips!
I'd like to know if the cyl will interchange as well. Do you have a single six to test it?
Although the Wrangler action has a simpler version* of cyl free spin capability, slightly different than the New Vaquero and New FlatTop, the cyl design/manufacture itself is not different than any other single six new or old model cyl due to that.
* Wrangler's version is unique to the Wrangler model: has the free spin hand/pawl of the Ruger indexing pawl system (RIPS - chamber alignment for loading and unloading), but not the detent pawl in the hammer channel to click the cyl into alignment to the chambers and prevent further backwards rotation.
I haven't handled a Wrangler in a while; I'm trying to recall if there was any difference that would prevent interchange with a single six and can't come up with anything.