I doubt that the entire action would be completely roll engraved, probably just the flat portions, specifically, the side plates and bottom of the action. The reason I say this is because I bought a new Spanish sidelock, Ugartechea model 257, and noticed that there is a definite difference in the quality of the sidelock plate and bottom action engraving to the rest of the gun. I would hazard to guess that the plates are likely pressed or rolled having such a nice consistent symmetrical finish compared to the fences, top strap, lever, trigger guard, and fore-end metal which appear totally hand engraved being not nearly as perfect in execution.
Tim
