The KelTec RDB Defender is a compact bullpup semi-automatic rifle chambered for .223 Remington / 5.56 NATO with a 16.1 inch barrel. It features a downward-ejection system for true ambidextrous operation and an aluminum M-LOK handguard for modular accessory mounting. The OD Green polymer furniture and steel barrel provide a lightweight, maneuverable package suited to close-quarters and general-purpose modern sporting use.
Key Specifications
- The barrel measures 16.1 inches for a compact profile.
- Chambered in .223 Rem / 5.56 NATO as listed in manufacturer data.
- The action is Semi-automatic for standard sporting operation.
- The twist rate is 1:7, listed for use with a range of projectile weights.
- The stock and grip are made from Polymer for durable, lightweight handling.
- Finish combines OD Green polymer furniture with black metal components.
- The barrel is specified as Steel in supplied attributes.
- Notable features include downward-ejection bullpup design and an aluminum M-LOK handguard.
The RDB Defender’s compact bullpup layout, ambidextrous downward-ejection system, and modular M-LOK handguard create a versatile, maneuverable platform. Its 16.1 inch barrel and 1:7 twist make it suitable for a variety of 5.56/.223 loads, while the OD Green polymer furniture keeps the package practical and purpose-built for users seeking a compact modern sporting rifle with distinctive ergonomics.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.
