Approximately 20,000 Second Model Maynard carbines were manufactured between 1864-1865, with this example marked with an "1865" date on the lower tang as typically seen on sporting rifles; although the sporting rifles were manufactured at the same time as the standard Civil War contract carbines and this was likely a late delivered example of a Second Model carbine. Two boxed script inspection cartouches stamped on the left stock wrist, with an "H" carved on the right of the stock.