Kel-Tec RDB-S Survival Rifle 5.56 NATO 16.1in Black

The Kel-Tec RDB-S is a compact bullpup semi-automatic rifle chambered for both .223 Remington and 5.56 NATO. Its shortened overall length keeps handling nimble while retaining a 16.1-inch barrel to preserve ballistic performance. The design includes a patented downward-ejection system and an adjustable gas piston to support a range of loads and suppressed use. The platform combines a smooth, refined trigger feel with an emphasis on balance and accessory adaptability.

Key Specifications

• Chambered in .223 Rem / 5.56 NATO.
• Configured as a semi-automatic magazine-fed rifle.
• The barrel measures 16.1 inches for compact overall length without sacrificing velocity.
• The overall length is 26.1 inches for a compact profile.
• Barrel twist rate is 1:7 to stabilize a wide range of projectiles.
• Barrel finish is black nitride for corrosion resistance and reduced friction.
• Stock and furniture use synthetic materials with a collapsible configuration.
• Equipped with flip-up front and rear sights and MIL-STD-1913 rails for optics and accessories.
• Features an adjustable gas piston system to tailor operation for various loads and suppressor use.
• Features a patented downward-ejection system to facilitate ambidextrous operation and reduce side ejection concerns.

Lightweight and engineered for compact handling, the RDB-S delivers centerfire rifle performance in a shortened platform with thoughtful ergonomics and an adjustable gas system. Its downward-ejection architecture, refined trigger feel, and accessory-ready rails make it a practical choice for users seeking a compact, versatile rifle for field use and precision-minded applications.