Plain grip for Colt 1851 Navy by Pietta. Shown as Ivory Heavy Antique. Due to the number of backstrap variations on '51 navies, the best way to determine which of our navy grips will fit your gun is to trace around either the backstrap or the grip that is currently on your gun and MAIL that tracing to us. There will still be fitting required (see the "Fitting Information" on the Grip home page). At the very least, you should include information about your gun such as, maker, year of manufacture if possible, and any other markings that may be on the gun; however the tracing is the only sure way of getting the correct grip. Please contact us for more information.