Ruger AR-556, Semi-automatic, 300 Blackout, 16.1" Barrel, Type III Hard Coat Anodized Black Finish, 6 Position Collapsible Stock, M-LOK Handguard, 1-30Rd Magazine, 08530 • Action: Semi-Automatic • Capacity: 30+1 • Finish: Black • Sights: No Sights • Barrel length: 16.10 1-7RH TWIST • Overall length: 33 - 36.25 • Improved Trigger-Reach Grip/ Forward AssistFlat Top Upper w/Pic Rail Enlarged Trigger Guard 11" MAGPUL M-LOK Handguard • Action: Semi-Auto • Capacity: 30 + 1 • Finish: Black Hard Coat Anodized • Sights: No Sights • Barrel length: 16.1" • Overall length: 33" - 36.25" • 15in Free-Float MLOK Rail/ Ambi Bolt Release