Kel-Tec RDB Defender 5.56 NATO 16.1″ 20rd Black

The Kel-Tec RDB Defender is a compact bullpup carbine configured for .223 Rem / 5.56 NATO that pairs a short overall length with a full-length ballistic barrel. Its design features downward ejection for true ambidextrous operation and an aluminum M-LOK handguard with a pencil-profile barrel. The rifle ships with a 20-round magazine and a polymer collapsible stock for a compact, transportable package.

Key Specifications

• The caliber is .223 Rem / 5.56 NATO.
• The barrel measures 16.1 inches and has a pencil profile.
• The magazine capacity is 20 rounds.
• The action type is Semi-Auto.
• The stock material is Polymer with a collapsible stock description.
• The forend features an Aluminum M-LOK handguard.
• The rifle uses a downward ejection system for ambidextrous operation.
• The twist rate is 1:7.
• The safety is Ambidextrous.
• The finish is Black.

The RDB Defender delivers a compact, serviceable carbine footprint without sacrificing the ballistics of a full-length 5.56 barrel. Its ambidextrous controls and downward-ejection layout make it practical for a wide range of shooters, and the combination of a pencil-profile 16.1" barrel with an M-LOK forend keeps weight and bulk to a minimum for transport and handling. For those seeking a compact modern sporting rifle built around the RDB platform, the Defender presents a balanced, ergonomic option.