OE - GOOD - some minor replacement parts; metal smoothly rusted or lightly pitted in places, cleaned; principal lettering, numerals and design on metal legible; lightly scratched, bruised or minor cracks repaired; in good working order.

This is the rarest barrel length variation of the scarce Model 320; only 224 of the 977 manufactured between 1879 and 1887 had a twenty inch barrel.