Maybe some clarification is required for a better understanding of the idea.
-It makes no difference to me on what part the threaded sleeve is attach, barrel or action. But it must be removable so the action can used with either barrel shank size in the future.
-This idea/option is for the guys that don’t have a lathe at home to turn off the threads if the heat shrink goes wrong. The reason to use Loctite is only for fixing the threaded sleeve in position as the barrel is turned into the action. Removable Loctite is just that “removable”.
-The barrel has the hoop strength to contain the charge on ignition.
-You will have three bands of steel: barrel, sleeve & action.
-The trust loads are taker by the preloaded threads that have adequate section to withstand the shear loads.
-Once head space is set the barrel nut preloads the treads when proper torque is applied the Loctite has no function at all other than at assembly/disassembly.
-Lets say you have six small shank change barrels you will need six sleeves or remove the threaded sleeve from one barrel and put it on to the next. If you sleeve the action it requires only one sleeve no matter how many barrels you have.
-And finally I stipulated in the original post the modification would have to be proven beyond reasonable doubt by an FEA stress analysis and extensive proof testing to make sure it is safe.
SSP
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