I tried one of these....the conversion cylinder has to be removed from the pistol and reloaded in a small press this makes it a real pain in the ar*e at the range having to take a press,primers and pre measured charges of powder, not to mention the look of horror from club officials as your stood on a firing point reloading with a press you can only use very small amounts of nitro powder around 3 grains so they are very light loads and it's £300 just for the cylinder
You can always buy a ruger old army ! designed from scratch an made in 1973 remember most "modern" revolver designs date from the 1950's or buy a Taurus LBR you don't notice the length after a while, Prior to the ban my favorite in my collection was my Smith & Wesson Mod 29 with an 8 3/8" barrel in 44 mag so we are only talking 3 1/2" for the Taurus.