Rainier Arms Match Series 300BLK AR-15 Threaded Barrel 14.5 inch Pistol Length 1-8 Twist 5/8 X 24 Nitride Black Medium
No ratings yetBest price
$260.00at OpticsPlanet
In stock checked Nov 3, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet | $260.00checked Nov 3, 2026 | In 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: $260.00 at OpticsPlanet. Dashed line = out of stock. Tracking since Oct 17, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| OpticsPlanet | $260.00 | $260.00 | $260.00 |
Since Oct 17, 2026.
About this part
The Rainier Arms Match Series 300BLK AR-15 Threaded Barrel 14.5 inch Pistol Length 1-8 Twist 5/8 X 24 Nitride Black Medium is a 14.5" 300 Blackout barrel from Rainier Arms with a pistol gas system. One store lists it, OpticsPlanet at $260.00. The lowest in-stock price in the last 30 days was $260.00 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
- Muzzle thread
- 5/8x24 · Muzzle devices
- Barrel length
- 14.5" · Handguards
Specifications
- Manufacturer
- Rainier Arms
- Color
- Black
- Platform
- AR-15
- Caliber
- 300 Blackout
- Gas system
- Pistol
- Barrel length
- 14.5"
- Twist rate
- 1:8
- Thread pattern
- 5/8 x 24
From the manufacturer
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel 14.5 inch Pistol Length 1-8 Twist 5/8 X 24 Nitride Black Medium. We are able to reach our goal by sourcing a very high end barrel blank at an affordable price. We start off using a high precision match blank in 1:8 twist machine it to the highest quality and matched with our limited-life time warranty you have a barrel that is the best value hands down in the industry. Our Craftsmanship Rainier barrels are meticulously designed and machined by precision gunsmiths. Our barrels are turned the same way true artisans have made premium rifle barrels for over a century. Each barrel has hand-cut chambers and crowns with the attention to detail that can only come from highly trained human intervention. While most companies strive for faster production time to cut costs we strive for perfection. There are no shortcuts with our barrels period. We will go toe to toe with anyone and win. Specifications for Rainier Arms Match Series 300BLK AR-15 Threaded Barrel: Manufacturer: Rainier Arms Color: Black Finish: Nitride Caliber: .300 AAC Blackout Gas System Length: Pistol Length Gas Block Journal Size-Diameter: .750 in Barrel Twist Rate: 1-8 Barrel Material: Stainless Steel Flutes: No Gun Make: AR Platform Gun Model: AR-15 Firearms Threads Per Inch: 5/8x24 Package Contents: Rainier Arms Match Series 300BLK AR-15 Threaded Barrel What firearm models does the manufacturer say Rainier Arms Match Series 300BLK AR-15 Threaded Barrel is compatible with? The manufacturer suggests that Rainier Arms Match Series 300BLK AR-15 Threaded Barrel is compatible with AR-15Rainier Arms RAB-M-300-145-P-NF-BLK: Match Series 300BLK AR-15 Threaded Barrel 14.5 inch Pistol Length 1-8 Twist 5/8 X 24 Nitride Black Medium
Similar barrels
Rainier Arms Match 300BLK Barrel 10.5in 1-8 Twist 5/8x24 Silver Small
$260.00 at OpticsPlanet
In stock
Rainier Arms Match 300BLK Barrel 14.5in 1-8 Twist 5/8x24 Silver Small
$260.00 at OpticsPlanet
In stock
ODIN Works 10.5in 300 Blackout Barrel medium profile pistol gas placement w/tunable GB Stainless Steel 10.5in
$256.50 at OpticsPlanet · 4 stores
In stock Sale
300 AAC Blackout 1-7 Twist 8" Pistol Barrel
$248.95 at Brownells · 9 stores
In stock
SBR Tactical 300 AAC Blackout 1-7 Twist 11.3" Barrel
$248.95 at Ammunition Depot · 8 stores
In stock
Griffin Armament 9.5 inch 300BLK HEDP Barrel
$246.95 at MidwayUSA · 2 stores
In stock
Rating
No ratings yet
Log in to rate this part.
Comments
Please log in to read and leave comments.