Kel-Tec RDB, Semi-automatic, 5.56x45mm, 20" Barrel, 30+1 Rounds

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Through an ingenious and simple arrangement, Kel-Tec® has solved the main disadvantage of Bullpup rifles: case ejection! The RDB (Rifle Downward-ejecting Bullpup) actually ejects brass DOWN, not right in your face.

The RDB Rifle features a rotary bolt with a spring loaded ejector and an extractor facing down. The spent case is pulled backwards along the top of the magazine and then ejected through a vertical chute. The bolt travel is longer than traditional designs, but still well within the ergonomic constraints of a rifle.

The RDB is built around a common steel skeleton formed by the receiver and barrel sub-assemblies. Bolt, bolt carrier, firing mechanism, ejector chute and bolt stop are identical for all variations. The short stroke gas operated piston is fully adjustable for different ammunitions and muzzle attachments.

  • Rifle ejects brass down, not back
  • Short stroke gas operated piston is fully adjustable for different ammunitions and muzzle attachments
  • Steel skeleton formed by the receiver and barrel sub-assembly
  • Polymer frame for durability and weather resistance
  • Easy to break down and service
  • Mag release is a piece of spring steel that wraps around the mag
  • Ergonomic thumb safety

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Key Specifications

  • Caliber: 5.56 NATO/.223 Remington
  • Action: Semi-automatic
  • Capacity: 30+1
  • Barrel length: 20"
  • Stock: Tan synthetic
  • Overall length: 30"
  • Overall weight: 7 lbs.
  • MFG Number: KEL RDB20TAN
  • UPC: 640832005998