RDB17 CARBINE 5.56 BL/BLK 17" Manufacturer Model Number: RDBBLK Manufacturer: Keltec Model: RDB Carbine Caliber: 223 Rem | 5.56 NATO Type: Rifle Item Type: Firearm Firearm / Accessory Action: Semi-Auto Firearm / Accessory Capacity: 20 + 1 Finish: Blue Sights: None Stock Frame Grips: Synthetic Stock Black Synthetic Overall Length: 27.4" Weight: 7 lbs. Shipping Weight: 10.19 Feature: Downward Facing Extractor Feature: Birdcage Flash Hider Feature: Fully Adjustable Piston Optic Adjustable Objective: false Optic Reticle Illuminated: false