The rifle came with that hand guard for a Model 1901 rear sight I would get a Model 1901 rear sight for it. Be advised that the screws are also specific to sights and the "01 takes a "long headed" screw. Sights can be found on ebay, Gunbroker, Gun Auction, generally screws also usually separately. S&S Firearms usually has repro screws and Gun Parts corp. usually has them.