Springfield Armory Hellion 5.56 NATO 18in Gear Up

The Springfield Armory Hellion is a bullpup-configured semi-automatic rifle chambered in 5.56x45mm NATO. Its rearward action shortens overall length while retaining an 18" CMV Melonite® barrel for sustained ballistic performance. The design emphasizes ambidextrous controls and an adaptable, adjustable short-stroke piston gas system for versatile handling in compact form.

Key Specifications

• The caliber is 5.56x45mm NATO (.223 REM).
• The barrel measures 18 inches (CMV Melonite® 1:7 twist).
• The finish/color is Black.
• The gas system is a 2-position adjustable short-stroke piston.
• The handguard is a polymer M-LOK.
• The stock is a 5-position adjustable stock with cheek riser.
• Sights are integrated flip-up front and rear; rear has 5-position aperture with windage adjustment.
• The charging handle is ambidextrous non-reciprocating.
• The safety is ambidextrous.
• Overall length adjusts between 30.25 inches and 31.75 inches.

The Hellion pairs a compact bullpup footprint with features aimed at informed shooters who prefer adaptable, high-functioning platforms. With its adjustable gas system, ambidextrous ergonomics, and integrated sighting provisions, this configuration is well-suited for users seeking a maneuverable rifle that retains the ballistic advantages of an 18" barrel.