300BLK 16" Socom Pistol Bbl Complete Upper Receiver For AR15
$293.89 at Kentucky Gun Co · 4 stores
In stock
Best price
$287.50at Kentucky Gun Co
In stock checked Oct 21, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Kentucky Gun Co Best price | $287.50checked Oct 21, 2026 | In stock | Buy at Kentucky Gun Co | |
| Battlehawk Armory | $258.13Salechecked Oct 21, 2026 | Check store | Buy at Battlehawk Armory | |
| OpticsPlanet | $324.49Salechecked Oct 21, 2026 | Out of stock | Buy at OpticsPlanet | |
| Brownells | $346.99checked Oct 21, 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: $287.50 at Kentucky Gun Co. Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Battlehawk Armory | $258.13 | $258.13 | $258.13 |
| Brownells | $346.99 | $346.99 | $346.99 |
| Kentucky Gun Co | $287.50 | $287.50 | $287.50 |
| OpticsPlanet | $324.49 | $324.49 | $339.99 |
Since Sep 28, 2026.
About this part
The 300BLK 10.5" Medium Pistol Bbl Complete Upper Receiver is an AR-15 complete upper receiver from One Horse. It's sold by 4 stores (1 in stock), from $258.13 to $346.99. The lowest in-stock price in the last 30 days was $287.50 at Kentucky Gun Co.
Fits and works with
- Caliber
- 300 Blackout · Shop matching ammo
- Bolt
- Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
- Barrel length
- 10.5" · Handguards
Specifications
- Manufacturer
- One Horse
- Type
- Complete
- Platform
- AR-15
- Caliber
- 300 Blackout
From the manufacturer
ONE HORSE 300BLK COMPLETE UPPER RECEIVER W/MEDIUM PISTOL BBL FOR AR-15 Build a compact, hard-hitting AR platform with this .300 Blackout complete upper receiver, designed for reliability, maneuverability, and close-quarters performance. Fully assembled and ready to install, this upper is an ideal solution for pistol or SBR configurations where compact size matters. At the core is a 300 Blackout barrel, optimized for strong performance in shorter barrel lengths while maintaining excellent energy and versatility with a wide range of bullet weights. The compact design makes it well-suited for suppressed or unsuppressed setups. The M-LOK free-float Mfg: One Horse
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