Winchester offered the stainless steel barrel as an extra cost and later no charge option for the Model 90 rifle between 1927 and 1934. Beaded blade front and elevation adjustable notch rear sights, tenth style barrel inscription with the additional "STAINLESS STEEL" marking, Winchester "WP" proofs on the barrel and receiver at the breech, Third Model receiver with exposed locking lugs, standard markings on the upper tang, and matching serial numbers on the receiver and lower tang. 12 groove slide handle and smooth straight grip stock with blue steel crescent buttplate.