This IWI Tavor Sar 5.56 Nato Flattop Rifle features a full-length picatinny top rail, short rail mounted at 45° angle opposite of charging handle, long gas stroke operating system, 16" cold hammer forged CrMoV chrome lined barrel, 10 rd magazine, reinforced polymer bullpup stock, and a folding front sight blade with Tritium insert and rear sight aperture. IWI TAVOR SAR 5.56 NATO Black Flattop Bullpup Rifle TSB1610