The Rise Armament complete AR-15 upper receiver (MPN RA6ARCCUGRY18) is chambered in 6mm ARC with an 18-inch 416R stainless steel barrel.
Key Specifications
- Rise Armament complete AR-15 upper receiver
- Chambered in 6mm ARC
- 18-inch barrel length
- 416R stainless steel barrel
- 1:7 inch rifling twist rate
- Threaded muzzle
- Grey Cerakote barrel finish
- Engineered for exceptional accuracy
Frequently Asked Questions
Does this include a lower receiver?
No, this is a complete upper assembly only; it ships without a lower receiver or fire control group.
What caliber is this upper chambered in?
6mm ARC.
Buy the Rise Armament 6ARC 18in Complete Upper
Drop a precision-barreled 6mm ARC upper onto your build with this assembly from Rise Armament. Ships fast from a Lubbock, TX gun shop in our AR-15 uppers lineup.
| UPC | 850043415961 |
|---|---|
| Manufacturer | Rise Armament |
| Manufacturer Part Number | RA6ARCCUGRY18 |
| Action | 6 ARC |
| Barrel Finish | Black Cerakote |
| Barrel Length | 18" |
| Caliber/Gauge | 6 ARC |
| Rate of Twist | 1:7" |
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