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
Grade Combat 300 AAC Blackout 9" Gov Profile 5/8x24 1-7 Twist
Sons Of Liberty Gun Works · Barrels
No ratings yetBest price
$189.05at Brownells
Out of stock checked Oct 22, 2026
In stock now instead
- Barrel Sub-Assembly 300 Blackout - 16.1" Bbl Sub-Assy Medium Ta… $194.49at OpticsPlanet
- AR15 12.5" 300BLK Mr Barrel $181.99at Ammunition Depot
- Faxon Firearms Match Series AR-15 .300 AAC Blackout Threaded AR… $181.00at OpticsPlanet
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Brownells | $189.05checked 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.
AR15 12.5" 300BLK Mr Barrel
$181.99 at Ammunition Depot · 6 stores
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Price history
Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Brownells | $189.05 | $189.05 | $189.05 |
Since Sep 28, 2026.
About this part
The Grade Combat 300 AAC Blackout 9" Gov Profile 5/8x24 1-7 Twist is a 9" 300 Blackout barrel from Sons Of Liberty Gun Works with a mid-length gas system. One store lists it, Brownells at $189.05.
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
- Mid-length · Handguards
- Muzzle thread
- 5/8x24 · Muzzle devices
- Barrel length
- 9" · Handguards
Specifications
- Manufacturer
- Sons Of Liberty Gun Works
- Platform
- AR-15
- Caliber
- 300 Blackout
- Gas system
- Mid
- Barrel length
- 9"
- Thread pattern
- 5/8 x 24
From the manufacturer
Sons of Liberty Gunworks makes some of the best combat-ready barrels on the market, and they're durable and versatile enough to run in a variety of configurations, especially suppressed or unsuppressed, without the need for an adjustable gas block. The company's Combat Grade AR-15 Barrels are duty ready and available in a variety of configurations for the AR-15 enthusiast or professional user. For those building or upgrading rifles chambered in 5.56 NATO, the SOLGW Combat Grade Barrel lineup can be had with a carbine-length gas system in 10.5- or 11.5-inch lengths. For those looking for a mid-length gas system, barrel lengths are available in 13.7-, 14.5- and 16-inch lengths. Mfg: Sons Of Liberty Gun Works
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