Ballistic Advantage Modern Series .300 BLK 1/7 4150 CrMoV - 8"
$147.25 at Ammunition Depot · 5 stores
In stock
Best price
$152.00at Ammunition Depot
In stock checked Oct 16, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Ammunition Depot Best price | $152.00checked Oct 16, 2026 | In stock | Buy at Ammunition Depot | |
| Brownells | $152.99checked Oct 22, 2026 | In stock | Buy at Brownells | |
| GunMag Warehouse | $152.99checked Oct 22, 2026 | In stock | Buy at GunMag Warehouse | |
| Battlehawk Armory | $113.14Salechecked Oct 16, 2026 | Check store | Buy at Battlehawk Armory | |
| Palmetto State Armory | $152.99checked Oct 12, 2026 | Check store | Buy at Palmetto State Armory | |
| OpticsPlanet | $106.99Salechecked Oct 22, 2026 | Out of stock | Buy at OpticsPlanet | |
| Kentucky Gun Co | $152.00checked Oct 22, 2026 | Out of stock | Buy at Kentucky Gun Co |
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: $106.99 at OpticsPlanet. Dashed line = out of stock. Tracking since Sep 27, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Ammunition Depot | — | $152.00 | $152.00 |
| Battlehawk Armory | — | $113.14 | $113.14 |
| Brownells | $152.99 | $152.99 | $152.99 |
| GunMag Warehouse | $152.99 | $152.99 | $152.99 |
| Kentucky Gun Co | $152.00 | $152.00 | $152.00 |
| OpticsPlanet | $106.99 | $106.99 | $106.99 |
| Palmetto State Armory | — | $152.99 | $152.99 |
Since Sep 27, 2026.
About this part
The Modern AR-15 Pistol Length 9 Barrel .300 Blackout is a 300 Blackout barrel from Ballistic Advantage with a pistol gas system. It's sold by 7 stores (3 in stock), from $106.99 to $152.99. The lowest in-stock price in the last 30 days was $106.99 at OpticsPlanet.
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
Specifications
- Manufacturer
- Ballistic Advantage
- Platform
- AR-15
- Caliber
- 300 Blackout
- Gas system
- Pistol
- Twist rate
- 1:7
From the manufacturer
This .300 Blackout chambered 6 inch Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension. All NFA/ATF Rules Apply You may use this barrel with a lower receiver that is a Registered SBR, Machine Gun, or Pistol. Possession of this barrel along with a Non-NFA lower receiver is Prohibited, except when installed on a Pistol configuration firearm. Additional Info Material: 4150 Chrome Moly Vanadium Finish: QPQ Corrosion Resistant Gas Block Journal: .750" Twist Rate: 1:7 inches Mfg: Ballistic Advantage
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