Features Include: Ruger AR-556, 5.56 NATO, Capacity: 30, 16.1" Barrel Length, 32.25"-35.5" Overall Length, Weight: 6.7 lbs, Black Synthetic Collapsible Stock, Free-Float Handguard with M-LOK Attachment Slots, Type III Hard Coat Anodized Receiver Finish, No Sights, 1/2"-28 Thread Pattern, 1:8" RH Twist, 10.25"-13.5" Length Of Pull, 5 Grooves, Single-Stage Trigger, Six-position Telescoping M4-Style Buttstock and Mil-Spec Buffer Tube, Cold Hammer-Forged Alloy Barrel, Ergonomic Pistol Grip, Also Includes: One 30-round Magpul PMAG magazine.