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 16in 1-8 Twist 5/8x24 Silver Medium
No ratings yetBest price
$230.00at OpticsPlanet
Out of stock Sale checked Oct 21, 2026
In stock now instead
- Rainier Arms Match 300BLK Barrel 10.5in 1-8 Twist 5/8x24 Silver… $260.00at OpticsPlanet
- Rainier Arms Match 300BLK Barrel 14.5in 1-8 Twist 5/8x24 Silver… $260.00at OpticsPlanet
- AR-15 16" Barrel Recon Round, Threaded 1-7 Twist $231.17at Kentucky Gun Co
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet | $230.00Salechecked Oct 21, 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.
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.
Rainier Arms Match 300BLK Barrel 14.5in 1-8 Twist 5/8x24 Silver Small
$260.00 at OpticsPlanet
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AR-15 16" Barrel Recon Round, Threaded 1-7 Twist
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Faxon Firearms Gunner Button Rifled Barrel .300 AAC Blackout 10.50", Black
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Ballistic Advantage Hanson w/ lo pro Premium Series.300 AR Barrel Gray 10.3 in
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Price history
Dashed line = out of stock. Tracking since Oct 17, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| OpticsPlanet | $230.00 | $230.00 | $230.00 |
Since Oct 17, 2026.
About this part
The Rainier Arms Match 300BLK Barrel 16in 1-8 Twist 5/8x24 Silver Medium is a 16" 300 Blackout barrel from Rainier Arms with a pistol gas system. One store lists it, OpticsPlanet at $230.00.
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
- 16" · Handguards
Specifications
- Manufacturer
- Rainier Arms
- Platform
- AR-15
- Caliber
- 300 Blackout
- Gas system
- Pistol
- Barrel length
- 16"
- Twist rate
- 1:8
- Thread pattern
- 5/8 x 24
From the manufacturer
Rainier Arms Match 300BLK Barrel 16in 1-8 Twist 5/8x24 Silver Medium. They are able to reach their goal by sourcing a very high end barrel blank at an affordable price. They start off using a high precision match blank in 1:8 twist machine it to the highest quality you have a barrel that is the best value hands down in the industry. Specifications for Rainier Arms AR Match 300BLK Barrel: Manufacturer: Rainier Arms Color: Silver Finish: Bead Blasted Fabric/Material: Stainless Steel Caliber: .300 AAC Blackout Barrel Profile: M4 Gas System Length: Pistol Length Gas Block Journal Size-Diameter: .750 in Barrel Twist Rate: 1-8 Gun Make: AR Platform Gun Model: AR-15 Firearms Threads Per Inch: 5/8x24 Package Contents: Rainier Arms Match 300BLK Barrel What firearm models does the manufacturer say Rainier Arms AR Match 300BLK Barrel is compatible with? The manufacturer says that Rainier Arms AR Match 300BLK Barrel is compatible with AR-15Rainier Arms RAB-M-300-16-P-NF-SAT: Match 300BLK Barrel 16in 1-8 Twist 5/8x24 Silver Medium
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