Radian Weapons AX556, Stripped Billet Lower, Semi-Automatic, 556 NATO/223 Remington, Ambidextrous, Cerakote Finish, Olive Drab Green, Includes Radian Talon Ambidextrous Safety, Hammer Pin R0391

Radian Weapons AX556 – Stripped Billet Lower Receiver, Fully Ambidextrous, Cerakote® Olive Drab Green (ODG), Talon™ Safety & Hammer Pin Included (R0391) Model/SKU: R0391 • UPC: 817093023744 Platform: AR-15 (semi-automatic) • Caliber Compatibility: 5.56 NATO / .223 Remington (and other AR-15 pattern cartridges) • Material: 7075-T6 billet aluminum • Controls: Fully ambidextrous mag release & bolt catch/release • Finish: Cerakote® Olive Drab Green (ODG) • Included: Radian Talon™ Ambidextrous Safety Selector (45°/90°), Hammer Pin Build your next premium AR around the lower that defined ambidextrous ergonomics. The Radian Weapons AX556 Stripped Billet Lower (R0391) delivers mirrored controls, match-grade machining, and duty-ready durability—now in a mission-proven Olive Drab Green Cerakote® finish. Precision-machined from 7075-T6 billet, the AX556 integrates a flared magwell, integral trigger guard, and true ambi magazine and bolt controls, so right- and left-handed shooters can run the rifle with equal speed and confidence. To jump-start your build, Radian includes the Talon™ ambi safety selector (configurable 45°/90° throw) and a hammer pin, keeping the core of your fire-control interface 100% Radian from day one. Why Builders Choose the AX556 (OD Green) True ambidextrous control layout: Mirrored mag release and bolt catch/release enable faster reloads, immediate lock-back, and rapid return-to-battery from either shoulder—ideal for barricades, vehicles, and dynamic stages. Billet precision & strength: 7075-T6 billet construction yields tighter tolerances and exceptional rigidity for a refined fit with premium uppers, triggers, and buffer systems. Ergonomics that matter: A flared magwell speeds insertions, the integral trigger guard provides glove clearance, and de-horned edges reduce hot spots and snagging on gear. Cerakote® ODG durability: Low-glare, solvent- and abrasion-resistant finish that blends with modern field palettes and pairs cleanly with black or FDE components. Builder-friendly details: Clean threading, precisely sized pin bores, and compatibility with common AR-15 parts streamline assembly and long-term service. Ready for premium parts: Plays perfectly with match triggers, duty-grade BCGs, and top-tier uppers in 5.56/.223 and other AR-15 cartridges. Key Features at a Glance Receiver Type: Stripped Billet Lower (AR-15 pattern) Material: 7075-T6 aluminum, CNC-machined Finish/Color: Cerakote® Olive Drab Green (ODG) Controls: Fully ambidextrous mag release & bolt catch/release Ergonomics: Flared magwell, integral trigger guard, radiused edges Included Hardware: Radian Talon™ Ambidextrous Safety Selector (45°/90°), Hammer Pin Compatibility: Standard AR-15 uppers, triggers, buffer tubes, and magazines Model / UPC: R0391 / 817093023744 Use Cases & Build Concepts Duty / defense rifle: Ambi layout simplifies manipulations around cover; pair with a free-float M-LOK® upper for white light + IR + sling integration. 3-Gun / 2-Gun competition: Faster, more consistent reloads and lock-backs; flared magwell and positive controls shave seconds on stage times. Left-handed shooters / training fleets: Identical manual of arms for every shooter reduces errors and speeds skill transfer. Suppressed general-purpose carbine: Ambi controls plus modern gas setups make for a versatile host that’s easy to run from either shoulder. Pro Assembly Notes Selector setup: The included Talon™ supports 45° (short throw) or 90° (MIL-style) — choose based on trigger and training preference. Receiver extension: Torque to spec, use quality grease, and stake endplate if applicable. Trigger pairing: Match the billet precision with a reputable single-stage or two-stage; verify safe/reset function before live fire. Magazine fit: Test drop-free performance with your preferred aluminum and polymer mags; the flared magwell is tuned for speed. Compliance Reminder: Confirm your final configuration complies with federal, state, and local laws before assembly, transfer, or use. Specifications (Summary) Brand: Radian Weapons Product: AX556 Stripped Billet Lower Model/SKU: R0391 UPC: 817093023744 Platform: AR-15, semi-automatic Caliber Platform: 5.56 NATO / .223 Rem (and other AR-15 pattern cartridges) Material: 7075-T6 billet aluminum Finish/Color: Cerakote® Olive Drab Green (ODG) Controls: Fully ambidextrous mag release & bolt catch/release Ergonomics: Flared magwell, integral trigger guard Included: Radian Talon™ ambi safety (45°/90°), hammer pin SEO Highlights (What Shoppers Search) Radian AX556 stripped lower ambidextrous Olive Drab Green R0391 Billet AR-15 lower Cerakote ODG 817093023744 Radian Talon safety included flared magwell Ambi mag release bolt catch receiver 7075 billet Premium AR-15 lower for 5.56/.223 builds Meta Title (SEO) Radian AX556 Stripped Billet Lower – Fully Ambidextrous, Cerakote® Olive Drab Green, Talon™ Safety Included | R0391 | 817093023744 Meta Description (SEO) Start premium. The Radian AX556 stripped billet lower in Cerakote® Olive Drab Green features fully ambidextrous controls, a flared magwell, integral trigger guard, and includes the Radian Talon™ ambi safety and hammer pin. Model R0391, UPC 817093023744. Structured Data (JSON-LD) jsonCopy code{ "@context": "https://schema.org", "@type": "Product", "name": "Radian AX556 Stripped Billet Lower – Olive Drab Green", "sku": "R0391", "gtin12": "817093023744", "brand": { "@type": "Brand", "name": "Radian Weapons" }, "category": "SportingGoods", "description": "Stripped AR-15 billet lower with fully ambidextrous controls, 7075-T6 construction, Cerakote Olive Drab Green finish, flared magwell, integral trigger guard, and included Radian Talon ambidextrous safety and hammer pin.", "material": "7075-T6 aluminum (billet)", "color": "Olive Drab Green", "additionalProperty": [ { "@type": "PropertyValue", "name": "Controls", "value": "Ambidextrous mag release and bolt catch/release" }, { "@type": "PropertyValue", "name": "Finish", "value": "Cerakote ODG" }, { "@type": "PropertyValue", "name": "Included", "value": "Radian Talon ambidextrous safety, hammer pin" } ], "itemCondition": "https://schema.org/NewCondition" } **Ambi speed, billet precision, and battle-ready ODG durability—**the Radian AX556 (R0391) is the stripped lower that elevates any 5.56/.223 build from the very first pin. The End