KelTec RDB Defender 5.56 NATO - Excellent Condition This KelTec RDB Defender chambered in 5.56 NATO / .223 Remington is in excellent, lightly used condition with an estimated fewer than 35 rounds fired. It remains exceptionally clean and has been professionally inspected, cleaned, and function checked by a licensed FFL. The RDB Defender features a compact downward-ejecting bullpup design, 16.1" threaded barrel, adjustable gas system, six-position collapsible stock, and full-length Picatinny optics rail. Specifications - Caliber: 5.56 NATO / .223 Remington - Action: Semi-Automatic - Barrel Length: 16.1" - Thread Pattern: 1/2x28 - Overall Length: Approx. 27" - Weight: Approx. 6.7 lbs. - Twist Rate: 1:7" - Ejection: Downward - Stock: Six-Position Collapsible - Magazine: Accepts AR-15/STANAG Magazines - Condition: Used - Excellent - Estimated Round Count: Fewer than 35 - UPC: 640832008081 Included - (1) 10-round magazine - Original KelTec carrying case - Owner's manual A very lightly used RDB Defender offering a compact bullpup configuration, ambidextrous operation, adjustable gas system, and 16.1" threaded barrel. Ships to a valid FFL. Buyer is responsible for compliance with all applicable laws and magazine restrictions.