HELLION 5.56 BLK 16" 30+1 LOW PROFILE FLIP UP SIGHTS Manufacturer Model Number: HL916556B Manufacturer: Springfield Armory Model: Hellion Caliber: 223 Rem | 5.56 NATO Type: Rifle Item Type: Firearm Firearm / Accessory Action: Semi-Auto Firearm / Accessory Capacity: 30 + 1 Finish: Black Anodized Sights: Low Profile Flip-Up Front/Rear Stock Frame Grips: 5-Position Adjustable Magazine Quantity and Description: 1 30 rd. Overall Length: 28.25" - 29.75" Weight: 8 lbs. Shipping Weight: 11.85 Feature: Bullpup Design Feature: 4-Prong Flash Hider Feature: Ambi, NR Charging Handle Optic Adjustable Objective: false Optic Reticle Illuminated: false