556 XI STD

556 XI STD



Caliber5.56mm NATO
  Overall Length35.8 in / 912.9 mm
  Rifling1 in 7in
  Number of Grooves6
  Barrel Length16.0 in / 406.4 mm
  Weight w/out Mag7.1 lb / 3.22 kg
  Mag Capacity30 Rounds
  Accessory RailYes
  OptionsSwiss-Style Folding Stock with Removable Cheek Rest, Ambi Controls, Locking Flip-Up Sights, Also Available with a Aluminum Handguard