The Kel-Tec RDB is a compact bullpup rifle with a downward-ejection system and fully ambidextrous controls. It accepts AR-15 style magazines and uses an adjustable gas piston system to support a variety of loads and suppressor use. The model offered here has a black finish and ships with a 20-round magazine.
Key Specifications
- The manufacturer is Kel-Tec.
- The model is the RDB.
- The caliber is .223 Rem / 5.56 NATO.
- The action is semi-automatic.
- The magazine capacity is a 20-round magazine (AR-15 compatible).
- The ejection system is a downward-ejecting chute behind the magwell.
- The stock and grip material is polymer.
- The finish color is black.
- The rifle uses an adjustable gas piston system.
- The rifle accepts AR-15 style magazines.
The RDB’s compact, balanced layout and ambidextrous downward ejection make it a practical option for shooters seeking a space-saving rifle with straightforward controls and modular magazine compatibility. Its adjustable gas system and polymer construction support a variety of configurations and field uses while maintaining a durable, user-focused design.
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.




