HELLION 5.56 BLK 20" 10+1 CA LOW PROFILE FLIP UP SIGHTS Manufacturer Model Number: HL920556BCA Manufacturer: Springfield Armory Model: Hellion Caliber: 223 Rem | 5.56 NATO Type: Rifle Item Type: Firearm Firearm / Accessory Action: Semi-Auto Firearm / Accessory Capacity: 10 + 1 Finish: Black Anodized Sights: Low Profile Flip-Up Front/Rear Stock Frame Grips: Featureless Grip Magazine Quantity and Description: 1 10 rd. Overall Length: 31.75" Weight: 8 lbs. 6 oz. Shipping Weight: 11.85 Feature: Bullpup Design Feature: SA Muzzle Brake Feature: Ambi, NR Charging Handle Optic Adjustable Objective: false Optic Reticle Illuminated: false