The RISE 6mm ARC AR-15 Upper Receivers features an exceptionally accurate 18-inch 416R stainless steel threaded barrel.
| Model | Upper Receiver |
| Caliber | 6 ARC |
| Gun Platform | AR-15 Style |
| Color | Brown |
| Barrel Finish | Black Cerakote |
| Barrel Material | Stainless Steel |
| Twist | 1:7" |
| Receiver Material | Aluminum |
| Thread Pattern | 1 / 2"x28 |
| Barrel Length | 18" |
