Watchmanxr 6mm ARC 18"bbl Complete Upper Receiver Black
$999.00 at Brownells · 7 stores
In stock
Bilson Arms BA-15FC 6mm ARC 18in Forward Complete Upper Assembly Rifle Length 1-7 Twist 5/8-24 TPI Tactical Grey/Graphite Black
No ratings yetBest price
$1,244.00at OpticsPlanet
In stock Sale checked Oct 13, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet | $1,244.00Salechecked Oct 13, 2026 | In stock | Buy at OpticsPlanet |
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: $1,244.00 at OpticsPlanet. Dashed line = out of stock. Tracking since Oct 12, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| OpticsPlanet | $1,244.00 | $1,244.00 | $1,244.00 |
Since Oct 12, 2026.
About this part
The Bilson Arms BA-15FC 6mm ARC 18in Forward Complete Upper Assembly Rifle Length 1-7 Twist 5/8-24 TPI Tactical Grey/Graphite Black is an AR-15 complete upper receiver from Bilson Arms. One store lists it, OpticsPlanet at $1,244.00. The lowest in-stock price in the last 30 days was $1,244.00 at OpticsPlanet.
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
- 5/8x24 · Muzzle devices
- Barrel length
- 18" · Handguards
Specifications
- Manufacturer
- Bilson Arms
- Color
- Grey
- Type
- Complete
- Platform
- AR-15
- Caliber
- 6mm ARC
From the manufacturer
Bilson Arms BA-15FC 6mm ARC 18in Forward Complete Upper Assembly Rifle Length 1-7 Twist 5/8-24 TPI Tactical Grey/Graphite Black. 5 in Barrel Profile: Standard Handguard Type: Free-Float Muzzle Device: A2 Flash Hider Fabric/Material: 6061-T6 Aluminum Gas Block Journal Size-Diameter: .750 in Handguard Length: 15 in Gun Rail: Picatinny Gun Make: AR Platform Barrel Material: 4140 Chrome Moly Vanadium Weight: 5 lb Bolt Carrier Group Included: MIL-SPEC Charging Handle Included: MIL-SPEC Magazine Included: No Condition: New Mount Type: M-LOK Features of Bilson Arms 556fc-ua 18 inch Pump Style Forward Charging Upper Assembly Manuf in-house More efficient & ergonomic charging patent pending pump style forward charging action billet aluminum Cerakote finish Package Contents: Bilson Arms 556fc-ua 18 inch Pump Style Forward Charging Upper Assembly Steel Nitride Bcg Bilson Arms A3UFSTB10R1: BA-15FC 6mm ARC 18in Forward Complete Upper Assembly Rifle Length 1-7 Twist 5/8-24 TPI Tactical Grey/Graphite Black
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