The KelTec RDB Defender is a compact bullpup rifle chambered for .223 Remington and 5.56 NATO. Its 16.1-inch barrel delivers a practical balance of handling and performance, while the bullpup layout keeps the overall length to 27.9 inches. A collapsible synthetic stock allows the rifle to be configured for different users and storage needs. The top Picatinny rail supports a wide range of optics, and the threaded muzzle accepts compatible 1/2x28 accessories. The rifle feeds from standard AR-15-pattern magazines and provides a 20+1 capacity.
Key features
- Bullpup design provides a compact 27.9-inch overall length with a full-length 16.1-inch barrel.
- Chambered for both .223 Remington and 5.56 NATO ammunition.
- Collapsible synthetic stock supports adjustable fit and convenient storage.
- 20+1 capacity supports extended range sessions.
- Top Picatinny rail makes the rifle optic ready.
- Threaded 1/2x28 barrel supports compatible muzzle devices and suppressors where lawful.
The KelTec RDB Defender combines compact bullpup handling, flexible ammunition compatibility, and practical accessory mounting in a lightweight rifle.
KelTec RDB Defender Bullpup .223 Remington 5.56 NATO: quick facts
- What caliber is the KelTec RDB Defender Bullpup .223 Remington 5.56 NATO?
- It is chambered in .223 Remington, 5.56 NATO.
- How many rounds does it hold?
- 20+1 rounds; magazines included: 1.
- How big and heavy is it?
- Barrel length 16.1 inches, overall length 27.9 inches, weight 7 pounds.
- What kind of action does it use?
- Semi-Automatic.
- Is it optic ready or threaded?
- Optic ready: Yes; threaded barrel: Yes.
- What sights and finish does it have?
- Sights: Standard Sights; finish: Blue/Black.
- Is it new or used?
- New, in the original packaging.
- Can I buy it in Utah?
- Yes. It ships to a licensed FFL dealer in Utah; you pick it up there after the background check. Rifles and shotguns ship to your chosen Utah FFL dealer for the background check and pickup, with no state waiting period.
- Is it in stock?
- Yes, at $962.54. Orders leave within 1-2 business days; shipping is free over $999.
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