Geissele URG-I Near Clone 5.56 NATO 14.5" 1:7" Gov Bbl DDC Complete Upper Receiver Group w/13.5" M-LOK MK16 SMR delivers a tactical-ready setup modeled after the USMC’s URG-I design. It features a 14.5-inch government profile barrel with a 1:7 twist rate, Cold Hammer Forged and finished in Desert Dirt Color (DDC) for durability and camo effectiveness. The barrel is equipped with a pinned and welded muzzle device for legal compliance and robust performance. This upper includes a mid-length gas system paired with a Super Compact Gas Block to optimize reliability and recoil management. The 13.5-inch MK16 M-LOK Super Modular Rail offers versatile mounting options for accessories while maintaining a lightweight and rugged profile. The assembly includes Geissele’s REBCG (Reliability Enhanced Bolt Carrier Group) to ensure consistent performance under demanding conditions. It also comes with the Airborne Charging Handle for enhanced ergonomics and ease of use. Constructed from 7075-T6 aluminum with a Type 3 hardcoat anodized finish, this upper receiver group combines strength, corrosion resistance, and tactical aesthetics in one package. Caliber: 5.56 NATO Barrel Length: 14.5 inches (Government Profile) Barrel Twist Rate: 1:7" Barrel Type: Cold Hammer Forged, Desert Dirt Color (DDC) Gas System: Mid-Length with Super Compact Gas Block Rail: 13.5" MK16 M-LOK Super Modular Rail Includes REBCG (Reliability Enhanced Bolt Carrier Group) Includes Airborne Charging Handle Upper Receiver: 7075-T6 Aluminum, Type 3 Hardcoat Anodized Geissele Automatics Geissele URG-I Near Clone 5.56 NATO 14.5" 1:7" Gov Bbl DDC Complete Upper Receiver Group w/13.5" M-LOK MK16 SMR 08-159