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.
Yes. It ships to a licensed FFL dealer in Connecticut; you pick it up there after the background check. Connecticut buyers need a Long Gun Eligibility Certificate or pistol permit, and the Connecticut dealer will only transfer rifles and shotguns that are legal under the state's assault weapon law.
Is it in stock?
Yes, at $962.54. Orders leave within 1-2 business days; shipping is free over $999.