Rainier Arms Select 9mm Barrel 16in 1-10 Twist 1/2x28 Black Medium
$125.99 at OpticsPlanet
In stock Sale
Rainier Arms Select 9mm Barrel 4in 1-10 Twist 1/2x28 Black Small
No ratings yetBest price
$135.99at OpticsPlanet
Out of stock Sale checked Oct 21, 2026
In stock now instead
- Rainier Arms Select 9mm Barrel 16in 1-10 Twist 1/2x28 Black Med… $125.99at OpticsPlanet
- WMD Guns 9mm Luger Threaded AR Barrel 10.5 inch Government 1-10… $135.99at OpticsPlanet
- Stern Defense SD AR15 Barrel 9mm 161in Black BRLINCHD2 $139.00at Ammunition Depot
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet | $135.99Salechecked 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.
WMD Guns 9mm Luger Threaded AR Barrel 10.5 inch Government 1-10 Twist 1/2X28 Nitride Black 9mm10.5 1-10
$135.99 at OpticsPlanet
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Stern Defense SD AR15 Barrel 9mm 161in Black BRLINCHD2
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WMD Guns 9mm Luger Threaded AR Barrel 16.5 inch Government 1-10 Twist 1/2X28 Nitride Black 9mm16.5 1-10
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ODIN Works Medium Profile Barrels Stainless Steel 7.5in
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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 | $135.99 | $131.99 | $135.99 |
Since Oct 17, 2026.
About this part
The Rainier Arms Select 9mm Barrel 4in 1-10 Twist 1/2x28 Black Small is a 4" 9mm barrel from Rainier Arms. One store lists it, OpticsPlanet at $135.99.
Fits and works with
- Caliber
- 9mm · Shop matching ammo
- Bolt
- 9mm · Bolt carrier groups
- Muzzle thread
- 1/2x28 · Muzzle devices
- Barrel length
- 4" · Handguards
Specifications
- Manufacturer
- Rainier Arms
- Color
- Black
- Platform
- AR-9
- Caliber
- 9mm
- Barrel length
- 4"
- Thread pattern
- ½ x 28
From the manufacturer
Rainier Arms Select 9mm Barrel 4in 1-10 Twist 1/2x28 Black Small. They are able to reach our goal by sourcing a very high end barrel blank at an affordable price. Specifications for Rainier Arms AR Select 9mm Barrel: Manufacturer: Rainier Arms Color: Black Fabric/Material: Stainless Steel Caliber: 9mm Luger Gas Block Journal Size-Diameter: .750 in Barrel Twist Rate: 1-10 Flutes: No Gun Make: AR Platform Gun Model: AR-15 Firearms Threads Per Inch: 1/2x28 Package Contents: Rainier Arms Select 9mm Barrel What firearm models does the manufacturer say Rainier Arms AR Select 9mm Barrel is compatible with? The manufacturer says that Rainier Arms AR Select 9mm Barrel is compatible with AR-15Rainier Arms RAB-SEL-9MM-4-NF-BLK: Select 9mm Barrel 4in 1-10 Twist 1/2x28 Black Small
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