The Kel-Tec RDB is a compact, ambidextrous bullpup rifle chambered in .223 Rem/5.56 NATO with a 20″ threaded barrel. Its downward-ejection design keeps spent cases clear of the shooter’s line of sight and enables true ambidexterity. The rifle includes an adjustable gas system and is compatible with standard AR-15 magazines for practical field use and transportable handling.
Key Specifications
- The caliber is .223 Rem / 5.56 NATO.
- The barrel measures 20 inches and is threaded (1/2×28 reported).
- The rifling twist rate is 1:7″.
- The magazine capacity is 20 rounds and accepts standard AR-15 compatible magazines.
- The overall length is 30.2 inches.
- The unloaded weight is 7.1 pounds.
- The trigger pull is listed as 4 pounds.
- The stock material is synthetic with an O.D. green grip color.
- The finish/metal color is black (blued).
- Notable feature: downward ejection (bullpup) for ambidextrous operation.
The RDB’s compact bullpup layout, downward-ejection system and adjustable gas operation make it a practical choice for shooters seeking a maneuverable platform that retains AR-15 magazine compatibility. Its 20″ threaded barrel and 1:7″ twist support a wide range of ammunition profiles while the green synthetic grip provides a durable, lightweight chassis for regular use.
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.
