Geissele Automatics LLC · Carbine · In Production · 2018
| Weight (empty) | 1900 g (67.0 oz) |
| Overall Length | 616 mm (24.25") |
| Barrel Length | 368 mm (14.49") |
| Magazine Capacity | 30 rounds |
| Action Type | Gas Operated Direct Impingement |
| Firing Mechanism | Hammer Fired |
| Muzzle Velocity | 930 m/s (3051 fps) |
| Muzzle Energy | 1730 J (1276 ft·lbf) |
| Effective Range | 500 m (547 yd) |
| Frame Material | Aluminum Alloy |
Primary Caliber: 5.56x45mm NATO
The Geissele Upper Receiver Group - Improved (URG-I or URGI) is a complete M4A1 upper receiver assembly developed through collaboration between Geissele Automatics and Daniel Defense, adopted by United States Army Special Operations Command (USASOC) in 2018. Unveiled at SHOT Show 2018, the URGI represents a significant upgrade to the standard M4A1 carbine, replacing the legacy SOPMOD Block II upper receivers used by US Army Special Forces Groups and the 75th Ranger Regiment. The system features ...
Country of Origin: United States
Designer: Geissele Automatics, Daniel Defense