Answering the call for superior ballistic performance in a short adaptable platform Springfield Armory is proud to announce the 10-Round Hellion ideal for restrictive locales. Featuring a Magpul 10-round magazine this bullpup configuration 5.56mm has the action located behind the trigger for an overall length of just 28.25 while still possessing a 16 barrel. The 10-Round Hellion sports ambidextrous controls that work in concert with a reversible case ejection system allowing it to be easily fired from either shoulder. The result? A 5.56mm that combines portability with performance. – Caliber 5.56x45mm NATO (.223 REM) – Color Black – Barrel 16 CMV Melonite® 1:7 – Front Sight Integrated Flip-Up Elevation Adjustable – Rear Sight Integrated Flip-Up w/ 5-Position Aperture Windage Adjustable – Bolt Carrier Group Proprietary Melonite® – Gas System 2-Position Adjustable Short Stroke Piston – Handguard Polymer M-Lok® – Stock 5-Position Adjustable w/ Cheek Riser – Muzzle Device 4-Prong Flash Hider – Charging Handle Ambidextrous Non-Reciprocating – Safety Switch Ambidextrous – Grip BCMGUNFIGHTER Mod 3 – Magazines (1) 10-Round Magpul PMAG Gen M3 – Weight 8 lbs – Length 28.25-29.75