AR-15 16" Bloodline Barrel Heavy Pistol 1-8tw 5/8-24 .300BLK
$169.20 at MidwayUSA · 4 stores
In stock
AR-15 10.5" Purebred Bbl Heavy Pistol 1-7tw 5/8-24 300BLK
No ratings yetBest price
$188.00at Brownells
Out of stock checked Oct 22, 2026
In stock now instead
- AR-15 16" Bloodline Barrel Heavy Pistol 1-8tw 5/8-24 .300BLK $169.20at MidwayUSA
- AR-15 8.2" Bloodline Barrel Heavy Pistol 1-7tw 5/8-24 300BLK $138.51at OpticsPlanet
- AR15 12.5" 300BLK Mr Barrel $181.99at Ammunition Depot
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Brownells | $188.00checked Oct 22, 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.
Similar barrels in stock
This part is out of stock at every store we track. These similar barrels are in stock, with today's prices.
AR-15 8.2" Bloodline Barrel Heavy Pistol 1-7tw 5/8-24 300BLK
$138.51 at OpticsPlanet · 7 stores
In stock Sale
AR15 12.5" 300BLK Mr Barrel
$181.99 at Ammunition Depot · 6 stores
In stock
Barrel Sub-Assembly 300 Blackout - 16.1" Bbl Sub-Assy Medium Taper 1-7 5/8-24" Black Nitride
$194.49 at OpticsPlanet · 5 stores
In stock Sale
Faxon Firearms Match Series AR-15 .300 AAC Blackout Threaded AR Barrel 9in Gunner Pistol Length 1-5 Twist 5/8x24 Salt Bath Nitride Black
$181.00 at OpticsPlanet · 2 stores
In stock Sale
Pistol Length Match 300BLK 9" 1-8 Twist Gunner Contour SS Bbl Nitride
$180.99 at GunMag Warehouse · 5 stores
In stock
Price history
Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Brownells | $188.00 | $188.00 | $188.00 |
Since Sep 28, 2026.
About this part
The AR-15 10.5" Purebred Bbl Heavy Pistol 1-7tw 5/8-24 300BLK is a 10.5" 300 Blackout barrel from Rosco Manufacturing. One store lists it, Brownells at $188.00.
Fits and works with
- Caliber
- 300 Blackout · Shop matching ammo
- Bolt
- Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
- Muzzle thread
- 5/8x24 · Muzzle devices
- Barrel length
- 10.5" · Handguards
Specifications
- Manufacturer
- Rosco Manufacturing
- Platform
- AR-15
- Caliber
- 300 Blackout
- Barrel length
- 10.5"
- Thread pattern
- 5/8 x 24
From the manufacturer
Rosco barrels are the perfect option for an evenly capable SBR/ RECCE build. It is designed to give the shooter maneuverability at close quarters yet allow them to get first round impact hits as far as 300 yards. The gas system has been designed to give the platform a non-turbulent operation while not sacrificing proper dwell times. This barrel is perfectly suited for your next expeditionary/ entry rifle build. Rosco Manufacturing's "Purebred" series is a testament to precision and quality manufacturing. Rosco took a step back to see how they could create a barrel line that would be a culmination of all the lessons learned through years of making barrels for several Mfg: Rosco Manufacturing
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