The Kel-Tec RDB Defender bullpup rifle in 5.56 NATO and OD Green (brand part no. RDBDGRN) uses a downward-ejection bullpup layout to fit a 16.1-inch barrel into a compact 37.15-inch overall package. KelTec builds the rifle with a fully ambidextrous magazine catch, safety, and reversible operating controls, feeding from a 20-round capacity magazine. Among bullpup semi-auto rifles, the RDB Defender favors shooters who want a maneuverable, fully ambidextrous 5.56 platform in OD Green.

Key Specifications

• Chambered in 5.56 NATO, also runs .223 Remington.
• Uses a compact bullpup layout with downward ejection.
• Feeds from a magazine with a 20-round capacity.
• Features a 16.1-inch barrel.
• Rate of twist is 1:7 inches.
• Equipped with a fully ambidextrous safety and magazine catch.
• Overall length is just 27 inches.
• Ships without fixed sights, ready for an optic.
• Finished in OD Green.

Frequently Asked Questions

What makes this rifle fully ambidextrous? The magazine catch, safety, and reversible operating controls all work from either side.

What is the magazine capacity? 20 rounds of 5.56 NATO.

Buy the Kel-Tec RDB Defender Bullpup Rifle, OD Green

A maneuverable, fully ambidextrous 5.56 bullpup is exactly what the RDB Defender delivers in OD Green. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.