Best price
$495.49at OpticsPlanet
In stock Sale checked Oct 2, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet Best price | $495.49Salechecked Oct 2, 2026 | In stock | Buy at OpticsPlanet | |
| Battlehawk Armory | $390.06Salechecked Oct 2, 2026 | Check store | Buy at Battlehawk Armory | |
| Brownells | $523.99checked Oct 2, 2026 | Out of stock | Buy at Brownells |
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: $495.49 at OpticsPlanet. Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Battlehawk Armory | $390.06 | $390.06 | $390.06 |
| Brownells | $523.99 | $523.99 | $523.99 |
| OpticsPlanet | $495.49 | $495.49 | $495.49 |
Since Sep 28, 2026.
About this part
The 6mm ARC 18" HBAR Bbl Complete Upper Rcvr M-LOK Black is an AR-15 complete upper receiver from One Horse. It's sold by 3 stores (1 in stock), from $390.06 to $523.99. The lowest in-stock price in the last 30 days was $495.49 at OpticsPlanet.
Fits and works with
- Caliber
- 6mm ARC · Shop matching ammo
- Bolt
- 6.5 Grendel / 6mm ARC · Bolt carrier groups
- Barrel length
- 18" · Handguards
Specifications
- Manufacturer
- One Horse
- Color
- Black
- Type
- Complete
- Platform
- AR-15
- Caliber
- 6mm ARC
From the manufacturer
ONE HORSE 6MM ARC COMPLETE UPPER RCVR W/HBAR RIFLE BARREL FOR AR-15 Take your AR-15 platform to the next level with this 6mm ARC 18a ^2 Complete Upper Receiver, built for shooters who demand precision, reliability, and extended range performance. Designed around an 18-inch 416R stainless steel barrel with a 1:7.5 twist rate, this upper provides excellent stabilization across the range of 6mm ARC projectile weights, delivering outstanding accuracy for long-range shooting and hunting applications. The free-float M-Lok handguard offers a lightweight and rigid platform that enhances accuracy while allowing shooters to easily mount lights, bipods, and other acc Mfg: One Horse
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