Modern AR-15 Pistol Length 9 Barrel .300 Blackout
$152.00 at Ammunition Depot · 7 stores
In stock
Ballistic Advantage Modern Series .300 BLK 1/7 4150 CrMoV - 8"
No ratings yetBest price
$147.25at OpticsPlanet
In stock Sale checked Oct 22, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet Best price | $147.25Salechecked Oct 22, 2026 | In stock | Buy at OpticsPlanet | |
| Ammunition Depot | $147.25checked Oct 12, 2026 | In stock | Buy at Ammunition Depot | |
| GunMag Warehouse | $147.99checked Oct 22, 2026 | In stock | Buy at GunMag Warehouse | |
| Battlehawk Armory | $93.43Salechecked Oct 12, 2026 | Check store | Buy at Battlehawk Armory | |
| Palmetto State Armory | $109.99checked Oct 22, 2026 | Check store | Buy at Palmetto State Armory | |
| Rainier Arms | Check priceprice on the store's site | Check store | Buy at Rainier Arms |
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: $89.92 at OpticsPlanet. Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Ammunition Depot | — | $147.25 | $147.25 |
| Battlehawk Armory | — | $93.43 | $93.43 |
| GunMag Warehouse | $147.99 | $147.99 | $147.99 |
| OpticsPlanet | $147.25 | $89.92 | $147.25 |
| Palmetto State Armory | $109.99 | $109.99 | $109.99 |
Since Sep 28, 2026.
About this part
The Ballistic Advantage Modern Series .300 BLK 1/7 4150 CrMoV - 8" is an 8" 300 Blackout barrel from Ballistic Advantage with a pistol gas system. It's sold by 5 stores (3 in stock), from $93.43 to $147.99. The lowest in-stock price in the last 30 days was $89.92 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
- Barrel length
- 8" · Handguards
Specifications
- Manufacturer
- Ballistic Advantage
- Platform
- AR-15
- Caliber
- 300 Blackout
- Gas system
- Pistol
- Barrel length
- 8"
- Finish
- QPQ Corrosion Resistant
From the manufacturer
This .300 Blackout chambered 8 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.
Specs:
Length
8"
Material
4150 Chrome Moly Vanadium
Profile
DRP
Finish
QPQ Corrosion Resistant
Gas System Length
Pistol
Gas Block Journal
.750"
Twist Rate
1:7 inches
Muzzle
5/8x24 Threaded
Weight
19oz
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