Length- 18” Gas Block- Lo-Pro, .750, pinned to barrel Barrel Extension w/extended feed ramps Upper Receiver Model- Gen I Flat-top receiver w/extended feed ramps Finish- Hardcoat Anodizing, type III Charging Handle- MOD 4 Gun Fighter Shot peened & MP tested bolt Auto Carrier w/staked Carrier Key Lower Receiver Model- Gen I forged receiver Finish- Hardcoat Anodizing, type III Trigger- ALG Defense ACT Extension- Mil-spec 6 position receiver extension Staked Noveske QD End Plate Handguard NSR-15” free floating handguard Furniture Stock- Magpul CTR Grip- Magpul MOE Accessories OPTIONAL: Noveske Signature Back Up Iron Sights byTROY Ind. One 30 Rnd. Magazine