The Geissele USASOC URGI (Upper Receiver Group – Improved) represents a near-clone of the upper receiver currently fielded by U.S. Army Special Operations Command, delivering modern performance while honoring the classic M4/M16 silhouette. Engineered to withstand the demands of contemporary combat ammunition, this complete upper receiver integrates premium Geissele components to provide enhanced reliability, accuracy, and hit probability, effectively transforming any compatible AR-15 lower into a next-generation fighting system.
FEATURES
- Mil-Spec M4 forged upper receiver assembly
- Geissele SMR MK16 free-float handguard for rigidity and accessory mounting
- Cold hammer forged, chrome-lined barrel designed for extended service life
- Optimized gas system configuration for smoother recoil impulse
- Geissele Reliability Enhanced Bolt Carrier Group for durability and consistent cycling
- Geissele Airborne Charging Handle (DDC) for improved manipulation
- Pinned low-profile Super Gas Block with bombproof installation
- SureFire SF4P four-prong flash hider, permanently pinned and welded
- Super 42 braided buffer spring with H1 buffer included
SPECIFICATIONS
- Barrel Length: 14.5 inches
- Barrel Profile: Government
- Barrel Manufacturing: Cold Hammer Forged, Chrome-Lined
- Barrel Material: Chrome Moly Steel
- Twist Rate: 1:7
- Gas System Length: Mid-Length
- Gas Block Diameter: .750"
- Handguard: Geissele SMR MK16
- Muzzle Device: SureFire SF4P, pinned and welded for 16" Overall Length
- Muzzle Threads: 1/2x28
- Finish: Anodized
- Overall Length: 23.6 inches
- Item Height: 2.3 inches
- Item Width: 1.8 inches
- Weight: 3.9 lbs
