Springfield Armory Hellion 16' 5.56 Black
The Springfield Armory Hellion 16" 5.56 Black is a semi-automatic bullpup rifle based on the Croatian VHS-2 platform.
Key Specifications
Caliber: 5.56x45mm NATO (.223 Rem)
Barrel Length: 16-inch CMV Melonite-coated, hammer-forged barrel with a 1:7 rate of twist
Overall Length: 28.25 to 29.75 inches
Weight: 8 lbs
Color / Finish: Black
Core Features
Operating System: Short-stroke piston system with a 2-position adjustable gas block (suppressed and normal)
Ambidextrous Design: Fully ambidextrous controls, a non-reciprocating charging handle, and a tool-free reversible case ejection system
Furniture: 5-position adjustable buttstock with an integrated cheek riser, polymer M-LOK handguard, and a BCMGUNFIGHTER Mod 3 grip
Sights: Full-length top Picatinny rail with integrated, elevation- and windage-adjustable flip-up iron sights
Magazine: Feeds from AR-pattern magazines (typically includes a 30-round Magpul PMAG Gen M3, or a 10-round variant depending on the specific SKU like HL916556BLC.

