| Brand | KelTec |
| SKU | — |
| UPC | — |
| Action | Semi-Automatic |
| Finish | Blue/Black |
| Sights | Standard Sights |
| Weight | 7 pounds |
| Capacity | 20+1 |
| Grip Safety | No |
| Optic Ready | Yes |
| Barrel Length | 16.1 inches |
| Manual Safety | Yes |
| Overall Length | 27.9 inches |
| Caliber / Gauge | .223 Remington, 5.56 NATO |
| Threaded Barrel | Yes |
| Magazines Included | 1 |
| Ambidextrous Safety | Yes |
| Condition | New |
KelTec RDB Defender Bullpup .223 Remington 5.56 NATO Blue/Black Rifle
Firearms ship to the FFL dealer you name at checkout. Price and stock are re-checked live when you order.
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.
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