Springfield Hellion, Semi-automatic Rifle, Bullpup, 223 Remington/556NATO, 16" Hammer Forged Barrel, 1:7 Twist, 4 Prong Flash Hider, Matte Finish, Gray, BCM MOD 3 Grip, 5-Position Adjustable Stock with Cheek Riser, Front/Rear Flip Sights, 2-Position Short Stroke Gas Piston, Ambidextrous Safety, Ambidextrous Charging Handle, MLOK Handguard, Reversible Ejection System, 30 Rounds, 1 Gen3 Magpul PMAG HL916556Y • Action: Semi-Automatic • Capacity: 30+1 • Finish: Gray • Sights: Low Profile Flip-Up Dual Aperture Rear • Barrel length: 16 Hammer Forged 4150 Steel/ Melonite • Overall length: 29.75 Extended 28.25 Collapsed • 1:7 RH Twist/ BCMGUNFIGHTER Mod 3 GripBullpup Design 4-Prong Flash Hider Ambi, NR Charging Handle • Action: Semi-Auto • Capacity: 30 + 1 • Finish: Grey • Sights: Low Profile Flip-Up Front/Rear • Barrel length: 16" • Overall length: 28.25" - 29.75" • 17.76 Free-Float LVOA Rail/ Ambi Bolt Release