The Kel Tec RDB Defender delivers a modern bullpup layout with refined balance, a clean trigger feel, and fully ambidextrous operation. Its patented downward ejection system directs spent brass straight down, allowing seamless shoulder transitions and eliminating the typical bullpup ejection concerns. Ambidextrous controls include an intuitive safety, accessible magazine release, and a reversible operating handle for flexible manipulation from either side. The aluminum MLOK handguard and collapsible stock provide a compact, upgrade ready platform suited for defensive use and accessory integration. Chambered in 5.56x45mm NATO and compatible with standard AR15 magazines, the RDB Defender offers a lightweight, reliable, and maneuverable defensive rifle built for property protection and everyday readiness. Features Downward Ejection System directs brass away from the shooter and supports true ambidextrous use. Ambidextrous Controls include safety, mag release, and reversible charging handle for flexible handling. Aluminum MLOK Handguard provides rigid accessory mounting while keeping weight low. Compact Bullpup Layout maintains a 16.10 in barrel in a short 27 in overall length. Collapsible Synthetic Stock enhances portability and user fit. AR15 Magazine Compatibility ensures broad magazine support and easy logistics. Polymer Receiver Construction keeps the rifle lightweight at 6.70 lbs. Specifications Manufacturer: Kel Tec Model: RDB Defender Caliber: 5.56x45mm NATO Capacity: 20+1 Barrel Length: 16.10 in Grip: Black polymer Stock: Collapsible synthetic Trigger: Not specified Sights: Not specified Finish: Black Magazine Included: No Magazine Included (takes AR mags) Notes Downward ejection makes this one of the most user friendly bullpups for left handed shooters. Compact length improves maneuverability in tight spaces while retaining full barrel performance. MLOK handguard supports lights, grips, and defensive accessories without adding bulk. AR15 magazine compatibility simplifies setup for existing 5.56 owners. Lightweight build and balanced bullpup design make it ideal for property defense and mobile use. This item may have signs of previous use, such as minor dents or dings. We cannot guarantee that all original components are included. Please review the photos provided for a detailed view of the item's condition.