Springfield Armory Hellion Gear Up Package 5.56mm NATO 16in Black Semi Automatic Modern Sporting Rifle - 30+1 Rounds - The new Hellion from Springfield Armory represents a radically unique and innovative approach to firearms design, helping to redefine perceptions of semi-automatic 5.56mm performance. Featuring a "bullpup" configuration where the action is located behind the trigger, the Hellion features an overall length of just 28.25-inches while still possessing a 16in barrel. The Hellion sports ambidextrous controls that work in concert with a reversible case ejection system. The result is a 5.56mm NATO that combines portability with potent performance. QD Points : The Hellion comes with QD mount points on both sides of the 5.56mm bullpup, ensuring you can use the sling of your choice, arranged for use from either side.; Bullpup Design : The bullpup system moves the action and the magazine back behind the trigger, reducing the overall length drastically while still retaining effective downrange performance.; Adjustable Gas System : The Hellion 5.56mm NATO bullpup features a two-position adjustable gas block with "S" suppressed and "N" normal modes to adapt to conditions and ammo availability.; Gear Up Bundle Includes : Crimson Trace CT-103 Red Dot Optic; (2) 30 Round Magazine; Single-Point Sling;