Springfield Armory Hellion 556 5.56 NATO 16" 30-Round Bullpup Rifle
Springfield
SKU: SPHL918556B-GU25
MPN: HL918556B-GU25
The Springfield Armory Hellion 556 5.56 NATO 16" 30-round bullpup rifle represents a modern evolution in tactical carbine design, built for operators who demand compact handling without sacrificing firepower or accuracy. This semi-automatic platform consolidates a full-length sight radius and 30-round capacity into a sub-20-inch overall length, making it ideal for law enforcement, military training, home defense, and competitive tactical shooting. The Hellion's bullpup configuration—with the magazine and action behind the trigger—delivers maneuverability in confined spaces while maintaining the ballistic performance of a standard 5.56 NATO carbine.
Built on a monolithic receiver platform, the Springfield Hellion 556 features a Picatinny top rail for optic mounting and accessory integration, enabling rapid sight picture acquisition critical in dynamic tactical environments. The rifle's 16-inch chrome-lined barrel delivers consistent velocity and accuracy across standard 5.56 NATO and .223 Remington ammunition, while the adjustable gas piston system manages recoil impulse and cycles reliably under sustained fire. At 11.88 pounds loaded, the rifle balances control and maneuverability; the forward magazine well and ergonomic controls are purpose-built for ambidextrous operation, allowing both left and right-handed shooters to manipulate charging handles, safeties, and magazine releases without repositioning.
Professional end-users—tactical teams, military personnel in training environments, and serious civilian operators—benefit from the Hellion's compact footprint in vehicle operations, room clearing, and confined-space deployment where traditional carbines prove cumbersome. The rifle accepts standard AR-15 pattern magazines and integrates seamlessly with industry-standard Picatinny-mounted optics, lights, and force multipliers, ensuring compatibility with established tactical ecosystems. Proper operation requires standard 5.56 NATO ammunition handling protocols; the gas piston design tolerates both mil-spec and commercial loads, though running suppressed may require adjustment of gas settings for optimal reliability.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.