KEL TEC RDB for Sale
Browse Kel Tec RDB listings from verified sellers across the U.S. on GunsAmerica.
Quick Look
The Kel-Tec RDB (Rifle Downward-ejecting Bullpup) debuted in 2015 as a modern bullpup rifle platform. Designed around ambidextrous usability and compact handling, it features downward brass ejection and full rifle performance. Although niche, its unique configuration has earned a loyal following among bullpup enthusiasts and practical shooters alike.
Why It's a Top Choice
- Downward ejection ideal for left- or right-handed shooters
- Compact bullpup design without sacrificing barrel length
- Full-length Picatinny rail for optics and accessories
- Gas piston system reduces fouling and improves reliability
- Adjustable gas block supports suppressor use
Key Variants
Kel-Tec RDB Standard
This original model balances compactness and performance for general-purpose use.
Kel-Tec RDB Defender
Shorter barrel and forend, optimized for home defense and tight environments.
Kel-Tec RDB Survival
Lightweight version with folding stock ideal for storage and carry in packs or vehicles.
Kel-Tec RDB Hunter
Designed for hunting applications with a longer barrel and enhanced precision features.
Competitor Comparison Table
| Feature | Kel-Tec RDB | IWI Tavor X95 | Steyr AUG |
|---|---|---|---|
| MSRP | $1,000 | $1,800 | $2,000 |
| Capacity | Standard 20-30 rd AR mags | Standard 30 rd | AUG 30 rd proprietary mag |
| Weight | ~7 lbs | ~8 lbs | ~8 lbs |
| Optics-ready? | Yes, full Picatinny rail | Yes | Some models only |
| Trigger type | Bullpup mechanical | Enhanced bullpup | Standard military-style |
| Notable pro | True ambidextrous ejection | Battle-proven platform | Excellent reliability |
| Notable con | Less aftermarket support | Heavier and bulkier | Expensive mags |
Best Use Cases
- Home defense with compact maneuverability
- Suppressor-ready tactical applications
- Truck or emergency preparedness rifle
- Range training and introduction to bullpups
- Collectors seeking unique rifle designs
FAQs
What is the Kel-Tec RDB's operating system?
It uses a short-stroke gas piston system with an adjustable gas block for reliability and suppressed use.
Can I use standard AR magazines in the Kel-Tec RDB?
Yes, the RDB is compatible with most STANAG-style AR-15 magazines.
How does the downward ejection work?
Spent brass exits through a chute beneath the rifle, preventing side discharge near the shooter's face or gear.
