The roots of the Browning BAR run deep, tracing its history back to John M. Browning's original design for the U.S. military during the First World War. The BAR MK4 Medallion features a Grade III oiled walnut stock shim-adjustable for cast on/off and drop at comb; a nickel finish on the intricately engraved receiver; fluted barrel; gas-operated autoloader; action bar/inertia block connection minimizes barrel vibrations, enhancing overall accuracy; Inflex recoil pad and a detachable box magazine.