Selected By The U.S. Armed Forces After Passing The Rigors Of Milspec Qualification, The 590A1 Is The Duty Weapon Of Choice For Military And Law Enforcement Agencies Worldwide. FEATURES: MilSpec construction: the only pump action shotgun to pass MilSpec 3443E; Parkerized or Marinecote finishes on heavy-walled barrels; metal trigger guard and safety buttons. Select models feature tactical tri-rail forends, 6-position adjustable stocks, picatinny top rails, and specialty sight packages.