Ruger AR-556, MPR, Semi-automatic Rifle, 450 Bushmaster, 18.63" Barrel, Anodized Finish, MOE SL Collapsible Stock, MOE Grip, 15" Free Floated Aluminum Handguard, Carbine-Length Gas System, 5Rd, 1 Magazine 08522 • Action: Semi-Automatic • Capacity: 5+1 • Finish: Black • Sights: No Sights • Barrel length: 18.63 1-16RH TWIST • Overall length: 35.60 - 38.90 • 15 Free Float M-LOK Handguard/ Ruger Elite Trigger15" Free Float M-LOK Handguard Ruger Elite 452 AR-Trigger Ergonomic MAGPUL Furniture • Action: Semi-Auto • Capacity: 5 + 1 • Finish: Hardcoat Anodized • Sights: No Sights • Barrel length: 18.63" • Overall length: 35.6" - 38.9" • 17.76 Free-Float LVOA Rail/ Ambi Bolt Release