Features Include: Ruger AR-556 MPR, 5.56 NATO / 223 Rem, Capacity: 30, One 30-round Magpul PMAG Included, Magpul MOE Synthetic Collapsible Stock, Type III Hard Coat Anodized Finish, 16.10" Barrel, 32.25-35.50" Overall, Weight: 6.5 lb, Adjustable Post Front Sight, Adjustable Ruger Rapid Deploy Rear Sight, 1/2"-28 Thread Pattern, 6 Grooves, 1:8" RH Twist, Magpul MOE M-LOK Handguard, 10.25"-13.50" Length Of Pull.