Original U.S. WWI - WWII M1918A2 Browning Automatic Rifle BAR Adjustable Bipod - Unissued Condition Thompson SMG and the number of patent

and the number of patent dates on the cylinder (two or three)

There is no butt cap the grip being formed into a "fish tail"

and overall length of 5 1/4 inches

It has the correct data plate

Overall a very good condition interesting gas mask that is more than 100 years of age

Original U.S. WWI - WWII M1918A2 Browning Automatic Rifle BAR Adjustable Bipod - Unissued Condition Thompson SMG and the number of patentOriginal Item: Only One Available. This is an excellent unissued example of a bipod for the U. S. Browning M1918A2 Machine gun, as used by U. S. forces during WWI and WWII. This design fits over a spacer at the muzzle of the gun, and is held in place by a barrel nut and tension washer. Aside from some dried grease and spots of very minor surface rust, it is in excellent unissued fully functional condition, with no signs of having been used. Both legs