Descended from the legendary BAR (Browning Automatic Rifle) the FNAR Heavy is a 20" .308 chambered semi auto precision rifle. The Hammer Forged, chrome lined, target crowned, lightweight fluted barrel of the FN AR 20" .308 has been endurance tested to 10,000 rounds for durability and accuracy ensuring years of shooting and hunting. The top of the receiver of the FN AR .308 is adorned with a length of 1913 style rail for mounting your favorite optic and allowing some options for mounting position depending on eye relief. The FN AR .308 comes with different stock shims and cheek pieces to adjust the rifle to fit a specific shooter and allow maximum comfort. Drop down pistol grip make shooting from prone or awkward positions comfortable and easy to do allowing control over the gun. The FN AR comes standard with 20rd detachable box magazine (where state law allows) and FN also offers 5rd and 10rd magazines to help prone shooting easier or for states that have magazine restrictions while hunting.