Best price
$88.49at Kentucky Gun Co
In stock checked Nov 13, 2026
Fits and works with
- Caliber
- 300 Blackout · Shop matching ammo
- Bolt
- Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
- Gas system
- Pistol · Handguards
- Barrel length
- 10.5" · Handguards
Specifications
- Manufacturer
- One Horse
- Color
- Black
- Platform
- AR-15
- Caliber
- 300 Blackout
- Gas system
- Pistol
- Barrel length
- 10.5"
- Twist rate
- 1:7
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Kentucky Gun Co Best price | $88.49checked Nov 13, 2026 | In stock | Buy at Kentucky Gun Co | |
| Ammunition Depot | $90.99checked Nov 13, 2026 | In stock | Buy at Ammunition Depot | |
| OpticsPlanet | $114.99Salechecked Nov 13, 2026 | In stock | Buy at OpticsPlanet | |
| Battlehawk Armory | $76.99checked Nov 13, 2026 | Check store | Buy at Battlehawk Armory | |
| GrabAGun | $89.79checked Nov 13, 2026 | Check store | Buy at GrabAGun | |
| Brownells 17.76% off · ends Nov 15 · exclusions apply | $104.99checked Nov 13, 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: $86.49 at Ammunition Depot. Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Ammunition Depot | $90.99 | $86.49 | $90.99 |
| Battlehawk Armory | $76.99 | $76.99 | $76.99 |
| Brownells | $104.99 | $104.99 | $104.99 |
| GrabAGun | $89.79 | $89.79 | $89.79 |
| Kentucky Gun Co | $88.49 | $88.49 | $88.49 |
| OpticsPlanet | $114.99 | $114.99 | $114.99 |
Since Sep 28, 2026.
About this part
The 300BLK 10.5" Medium Profile Pistol 1-7 Twist Thread Black is a 10.5" 300 Blackout barrel from One Horse with a pistol gas system. It's sold by 6 stores (3 in stock), from $76.99 to $114.99. The lowest in-stock price in the last 30 days was $86.49 at Ammunition Depot.
From the manufacturer
ONE HORSE LLC 300BLK MEDIUM PROFILE PISTOL BARREL FOR AR-15 Build a compact, hard-hitting .300 Blackout rifle with this 10.5a ^2 Pistol Gas Barrel. Chambered for .300 Blackout with a 1:7 twist rate, this barrel ensures optimal stabilization for both subsonic and supersonic rounds, delivering precision for tactical, hunting, or suppressed applications. The pistol-length gas system provides smooth cycling and reduced recoil, while the premium nitride finish enhances corrosion resistance, durability, and ease of maintenance. Crafted to Mil-Spec standards, it's the perfect foundation for a high-performance AR15 pistol or SBR. FEATURES 10.5a ^2 Mfg: One Horse
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