Springfield Hellion 5.56 NATO 16″ 30rd Bullpup

The Springfield Armory Hellion is a compact bullpup semi-automatic rifle chambered for 5.56x45mm NATO that preserves a full-length 16" barrel in a short overall package. It ships with a 30‑round Magpul PMAG Gen M3 and features ambidextrous controls and a reversible ejection system to suit a wide range of shooters. The platform uses a short-stroke piston gas system and includes integrated flip-up sights and an adjustable stock with cheek riser for adaptable fit.

Key Specifications

• The caliber is 5.56x45mm NATO (.223 Rem).
• The barrel measures 16 inches with a 1:7 twist.
• The overall length is 28.25" – 29.75".
• The unloaded weight is 8 lbs.
• The standard magazine capacity is 30 rounds.
• The rifle ships with 1 x 30‑Round Magpul PMAG Gen M3.
• The gas system is a 2-position adjustable short-stroke piston.
• The handguard is polymer M-LOK with a Picatinny top rail.
• The stock is a 5-position adjustable design with cheek riser.
• Sights are integrated flip-up front and rear with a 5-position aperture on the rear.

Designed to blend maneuverability and full-length ballistic performance, the Hellion bullpup provides a compact, modern sporting rifle layout suitable for range use, compact storage, and tactical-minded shooters who value adjustable ergonomics and ambidextrous operation. Its combination of a short-stroke piston system, included Magpul PMAG, M-LOK accessory compatibility, and adjustable stock make it a versatile choice for a wide range of practical shooting applications.