AR-15/ 308 AR Stainless Steel Barrels - 300 AAC Blackout 1-8 Twist 16" Stainless Barrel
$499.99 at GunMag Warehouse · 3 stores
In stock
Best price
$499.95at Brownells
In stock Lowest in 30 dayschecked 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
- Barrel length
- 14.5" · Handguards
Specifications
- Manufacturer
- Primary Weapons Systems
- Color
- Black
- Platform
- AR-15
- Caliber
- 300 Blackout
- Barrel length
- 14.5"
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Brownells Best price 17.76% off · ends Nov 15 · exclusions apply | $499.95checked Nov 13, 2026 | In stock | Buy at Brownells | |
| OpticsPlanet | $499.95Salechecked Nov 13, 2026 | Out of stock | Buy at OpticsPlanet |
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: $499.95 at Brownells. Dashed line = out of stock. Tracking since Sep 27, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Brownells | $499.95 | $499.95 | $499.95 |
| OpticsPlanet | $499.95 | $499.95 | $499.95 |
Since Sep 27, 2026.
About this part
The UXR 300 AAC Blackout 14.5" Barrel Conversion Kit is a 14.5" 300 Blackout barrel from Primary Weapons Systems. It's sold by 2 stores, all at $499.95. The lowest in-stock price in the last 30 days was $499.95 at Brownells.
From the manufacturer
The UXR Conversion Kit in 300 AAC Blackout with a 10.5" or 14.5" barrel offers shooters an effortless transition between calibers, thanks to the innovative XChange system. This groundbreaking system simplifies the process by allowing users to swap out the barrel, bolt, and magwell, enabling them to tailor their rifle to specific needs. Unlike other modular rifles on the market, the UXR Conversion Kit is both reasonably priced and readily available, ensuring accessibility for shooters seeking versatility without breaking the bank. Utilizing the intuitive dot system, users can seamlessly match corresponding dots on UXR components to ensure error-free transformations, further enh Mfg: Primary Weapons
Rating
No ratings yet
Log in to rate this part.
Comments
Please log in to read and leave comments.
Similar barrels
V Seven 300 AAC Blackout Stainless Match Medium Contour 14.5in 300M7T 14.5
$494.70 at OpticsPlanet
In stock Sale
Q 300 Blackout Light Profile 7" 1:5 Twist Barrel for Honey Badger
$515.00 at Ammunition Depot · 8 stores
In stock
LMT Monolithic 300 AAC Blackout 10.5" Pistol Length Bbl BLK
$554.40 at Brownells · 5 stores
In stock
LMT Monolithic 300 AAC Blackout 16" Pistol Length Bbl Black
$554.40 at Brownells · 4 stores
In stock
Noveske 300 Blackout Barrel - 10.5 w/ HS Bolt
$430.00 at MidwayUSA
In stock