Head space for the barrels is adjusted by an nut located at the front of the axis. The body of the gun is made of highly polished brass. The top of the body is engraved "CAL. 45." A circular cast plaque is attached to the top of the body and contains the patent dates and the manufacturer's name as the originals do. The rails for the gun are made of steel and have a crinkle type paint applied. An oscillating mechanism is present on this gun as is a screw traverse system. Elevation is by means of a large wheel located at the rear of the yoke. The yoke is also made of highly polished brass. The gun is mounted on a tripod with walnut legs and polished brass fittings. The gun is in perfect working order. The feed mechanism present on top of the body is a Bruce type. Serial number is 49. Overall condition is new in the shipping crates. Modern long gun rules apply.