FN America M249S, Semi-automatic Rifle, Steel Frame, 5.56 NATO, Para 16.1" Chrome Lined Cold Hammer Forged Barrel, Matte Finish, Para Black, Rotating/Telescoping Metal Buttstock Assembly With Hydraulic Recoil Buffer System And Non-Slip Buttplate Stock, Adjustable Primary Sights, Standard Disintegrating Link Belt-Fed, Includes Integral Steel Bipod 46-100171