I think the cylinder insert idea might work along with interchangeable barrels on the DW plan and could even include .22 LR with a firing pin system like the S&W Model 53. So start with .44 Magnum and inserts/barrels for .357 and .327. A potential problem I see is that the .357 insert might not have walls thick enough to fully contain the pressure so it would swell up and couldn't be removed. Easy enough to try, though, with any .44 Magnum revolver. Modifying a Ruger .44 Magnum shouldn't cost more than a couple of thousand.
Edited to add: Just had an evil thought. Will any gun company market a product with so much potential for disaster? Joe Slob puts on his .357 barrel but forgets the inserts and stuffs the cylinder with .44's with predictable results. Or he puts on the .44 barrel and loads up with .357 and then posts on good old TFL that his new Model X is inaccurate! Maybe not so good an idea, after all.
Jim
Edited to add: Just had an evil thought. Will any gun company market a product with so much potential for disaster? Joe Slob puts on his .357 barrel but forgets the inserts and stuffs the cylinder with .44's with predictable results. Or he puts on the .44 barrel and loads up with .357 and then posts on good old TFL that his new Model X is inaccurate! Maybe not so good an idea, after all.
Jim
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