Early grips had eleven cutter grooves per inch which was changed in 1917 to seven cutter grooves per inch which BAR's bayonet shows in the photos
late grips from the 20's and 30's have drawing numbers inside the grips
Early grips had eleven cutter grooves per inch which was changed in 1917 to seven cutter grooves per inch which BAR's bayonet shows in the photos
late grips from the 20's and 30's have drawing numbers inside the grips