Exclusive. The Mark IV features a simple, one-button takedown for quick and easy field-stripping and proper chamber-to-muzzle cleaning. Features are a threaded, cold hammer-forged barrel; internal cylindrical bolt construction ensures permanent sight-to-barrel alignment; contoured ejection port and easy-to-grasp bolt ears allow for durable and reliable operation round after round; sighting system features a drilled and tapped receiver for Weaver or Picatinny style rail and ambidextrous manual safety can be converted to left-side only with included washer. Includes two 10rd magazines.