The MagPul polymer magazines (Pmag) were designed to address the deficiencies of standard, mil-spec aluminum AR-15 magazines. Their polymer construction resists corrosion and dents, while a pop-off storage/dust cover takes the pressure of a full cartridge stack off feed lips for storage and blocks debris from entering the magazine. Additional features include an anti-tilt follower, stainless spring, textured gripping surface and removable floorplate. When ordering, specify: Black, Dark Earth, or Foliage Green.