Watchmanxr 6mm ARC 18"bbl Complete Upper Receiver Black
Rise Armament · Upper Receiver
No ratings yetBest price
$999.00at Brownells
In stock Lowest in 30 dayschecked Nov 13, 2026
Fits and works with
- Caliber
- 6mm ARC · Shop matching ammo
- Bolt
- 6.5 Grendel / 6mm ARC · Bolt carrier groups
- Gas system
- Rifle · Handguards
- Muzzle thread
- 1/2x28 · Muzzle devices
- Barrel length
- 18" · Handguards
Specifications
- Manufacturer
- Rise Armament
- Color
- Black
- Type
- Complete
- Platform
- AR-15
- Caliber
- 6mm ARC
- Gas system
- Rifle
- Barrel length
- 18"
- Twist rate
- 1:7
- Thread pattern
- ½ x 28
- Length
- 15.25"
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Brownells Best price 17.76% off · ends Nov 15 · exclusions apply | $999.00checked Nov 13, 2026 | In stock | Buy at Brownells | |
| OpticsPlanet | $999.00Salechecked Nov 13, 2026 | In stock | Buy at OpticsPlanet | |
| MidwayUSA | $999.00checked Nov 13, 2026 | In stock | Buy at MidwayUSA | |
| Kentucky Gun Co | $999.00checked Nov 13, 2026 | In stock | Buy at Kentucky Gun Co | |
| GunMag Warehouse | $999.99checked Nov 10, 2026 | In stock | Buy at GunMag Warehouse | |
| Battlehawk Armory | $999.00Salechecked Nov 13, 2026 | Check store | Buy at Battlehawk Armory | |
| Classic Firearms | $999.00checked Nov 13, 2026 | Check store | Buy at Classic Firearms | |
| GrabAGun | $999.00Salechecked Nov 13, 2026 | Check store | Buy at GrabAGun | |
| Natchez | $999.00checked Nov 13, 2026 | Check store | Buy at Natchez | |
| Palmetto State Armory | $1,199.99checked Nov 10, 2026 | Check store | Buy at Palmetto State Armory |
Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.
Price history
Lowest in-stock price in the last 30 days: $999.00 at Brownells. Dashed line = out of stock. Tracking since Sep 27, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Battlehawk Armory | $999.00 | $999.00 | $999.00 |
| Brownells | $999.00 | $999.00 | $999.00 |
| Classic Firearms | $999.00 | $999.00 | $999.00 |
| GrabAGun | $999.00 | $999.00 | $999.00 |
| GunMag Warehouse | $999.99 | $999.99 | $999.99 |
| Kentucky Gun Co | $999.00 | $999.00 | $999.00 |
| MidwayUSA | $999.00 | $999.00 | $999.00 |
| Natchez | $999.00 | $999.00 | $999.00 |
| OpticsPlanet | $999.00 | $999.00 | $999.00 |
| Palmetto State Armory | $1,199.99 | $877.99 | $1,199.99 |
Since Sep 27, 2026.
About this part
The Watchmanxr 6mm ARC 18"bbl Complete Upper Receiver Black is an AR-15 complete upper receiver from Rise Armament. It's sold by 10 stores (5 in stock), from $999.00 to $1,199.99. The lowest in-stock price in the last 30 days was $999.00 at Brownells.
From the manufacturer
RISE ARMAMENT WATCHMANXR 6MM ARC COMPLETE UPPER RECEIVER FOR AR-15 The Rise Armament WatchmanXR 6mm ARC Complete AR-15 Upper Receiver is a high-performance upgrade designed to enhance accuracy, control, and ease of use for your AR build. Packed with premium Rise components, this upper receiver is engineered for shooters who demand reliability and precision. Mfg: Rise Armament
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