Manufactured prior to the 1986 machine gun registration cutoff, this is a Group Industries transferable machine gun in the Browning pattern, built using components from a number of sources. The "Model 37" was Colt's commercial offering of the Browning 1917. "GROUP IND. L'VILLE KY." is marked on the bottom surface of the right sideplate. with the serial number and a set of Colt style markings on the right of the sideplate. Blade front and a peep and notch rear sight with windage adjustments and elevation adjustment, and a brass-capped steel water jacket. A set of smooth pistol grips are installed, along with a safety switch. With a water can and a Model 1918 tripod with integral T&E hardware.

Very fine, with 95% of the matte blue finish, showing bright wear on the high edges and contact points with the tripod, mild handling marks, and a few small scratches and dings. The grips show some chips and scuffs. Mechanically fine. NOTE: This weapon is a National Firearms Act (NFA), fully transferable Class 3, which is registered with the Bureau of Alcohol, Tobacco, Firearms and Explosives, (BATFE) under the provisions of 18 U.S.C. Chapter 44 and 27 CFR part 479.