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Watchmanxr 6mm ARC 18"bbl Complete Upper Receiver Black

Rise Armament · Upper Receiver

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Watchmanxr 6mm ARC 18"bbl Complete Upper Receiver Black

Best price

$999.00at Brownells

In stock Lowest in 30 dayschecked Nov 13, 2026

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Compare 10 stores

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

StorePriceAvailabilityBuyAdd 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
StoreLatestLowestHighest
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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