Very doubtful. Open the action and look for the Belgian proofmark. It will appear as an E over an LG enclosed in an oval.
This is one of the more often-seen Belgian side-by-sides from the late 1800's. There were many imported into the US for sale by mail-order houses under various brand names designed to fool unsophisticated buyers. Brand names such as W Richards, Barker, and Sam Holt were probably the most flagrant.
The autonomic nervous system provides for involuntary muscle function - the work of breathing, digestion, and so forth. On some folks, that's a pure waste of ingenuity.