Springfield Armory Hellion 5.56mm 16″ FDE 10-Round

The Springfield Armory Hellion is a compact bullpup semi-automatic rifle designed for short overall length without sacrificing ballistic performance. It is chambered for 5.56x45mm NATO and features a 16" CMV Melonite-treated barrel with a 1:7 twist. Controls are fully ambidextrous and the rifle includes an adjustable short-stroke piston gas system and integrated flip-up sights.

Key Specifications

• The rifle is chambered in 5.56x45mm NATO (.223 REM).
• The barrel measures 16" CMV Melonite with a 1:7 twist rate.
• The finish is Flat Dark Earth (FDE).
• The action is Semi-Auto.
• The magazine configuration is 10 + 1 and it ships with (1) 10‑Round Magpul PMAG Gen M3.
• The weight is approximately 8 lbs.
• The overall length is 28.25" - 29.75".
• The gas system is a 2-Position Adjustable Short Stroke Piston.
• The stock is 5-Position Adjustable with Cheek Riser.
• Sights are integrated flip-up front and rear (rear with 5-position aperture, windage adjustable).

The Hellion's compact bullpup layout and adjustable piston system make it suitable for users seeking a space-efficient, configurable platform for general-purpose use, training, or precision-enhanced short-range applications. With ambidextrous controls, a durable Melonite-treated barrel, and included Magpul magazine, it offers a practical blend of modern features on a compact chassis.