F-1 Firearms · Rifle · In Production · 2018
| Weight (empty) | 2722 g (96.0 oz) |
| Overall Length | 902 mm (35.51") |
| Barrel Length | 406 mm (15.98") |
| Magazine Capacity | 30 rounds |
| Action Type | Gas Operated Direct Impingement |
| Firing Mechanism | Hammer Fired |
| Muzzle Velocity | 960 m/s (3150 fps) |
| Effective Range | 500 m (547 yd) |
| Frame Material | Billet 7075 T6 Aluminum |
Primary Caliber: .223 Wylde
The F-1 Firearms UDR-15 is the company's ultralight skeletonized AR-15, designed for fast handling and rapid movement while retaining tack-driving sub-MOA accuracy. It uses the UDR Style-2 skeletonized universal receiver set machined from 7075-T6 aircraft-quality aluminum with a scalloped MIL-SPEC 1913 Picatinny rail, paired with F-1's lightweight skeletonized H7M handguard and a skeletonized lightweight foregrip to minimize forward weight. The standard build wears a 16-inch light-contour match-...
Country of Origin: United States
Designer: F-1 Firearms