Ballistic Advantage Modern Series Barrel 9mm 5.5 inch Straight 1-10 Twist Black
No ratings yetBest price
$99.75at OpticsPlanet
In stock Sale checked Nov 12, 2026
Fits and works with
- Caliber
- 9mm · Shop matching ammo
- Bolt
- 9mm · Bolt carrier groups
- Muzzle thread
- 1/2x28 · Muzzle devices
- Barrel length
- 5.5" · Handguards
Specifications
- Manufacturer
- Ballistic Advantage
- Color
- Black
- Platform
- AR-9
- Caliber
- 9mm
- Barrel length
- 5.5"
- Twist rate
- 1:10
- Thread pattern
- ½ x 28
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet Best price | $99.75Salechecked Nov 12, 2026 | In stock | Buy at OpticsPlanet | |
| AR15Discounts 5% off | $79.95checked Nov 12, 2026 | Check store | Buy at AR15Discounts | |
| Dirty Bird | $79.95checked Nov 12, 2026 | Check store | Buy at Dirty Bird |
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: $99.75 at OpticsPlanet. Dashed line = out of stock. Tracking since Oct 17, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| AR15Discounts | $79.95 | $79.95 | $79.95 |
| Dirty Bird | $79.95 | $79.95 | $79.95 |
| OpticsPlanet | $99.75 | $99.75 | $99.75 |
Since Oct 17, 2026.
About this part
The Ballistic Advantage Modern Series Barrel 9mm 5.5 inch Straight 1-10 Twist Black is a 5.5" 9mm barrel from Ballistic Advantage. It's sold by 3 stores (1 in stock), from $79.95 to $99.75. The lowest in-stock price in the last 30 days was $99.75 at OpticsPlanet.
From the manufacturer
Ballistic Advantage Modern Series Barrel 9mm 5.5 inch Straight 1-10 Twist Black. These Rifle Barrels by Ballistic Advantage are constructed from QPQ corrosion-resistant steel that is tough enough to withstand harsh environments and ensure that your rifle is prepared for nearly any mission. Also this Ballistic Advantage Modern Series 1-10 Twist 9mm AR Rifle Barrel is built with an integrated feed ramp and barrel extension so that you can maintain a consistent shooting position throughout the day. Simply install this device and you're ready to go. Pick up a Ballistic Advantage Modern Series 9mm AR Rifle Barrel w/ Threaded Gas Block to build a reliable blowback system for your firearm that won't let you down. Specifications for Ballistic Advantage Modern Series 9mm Barrel: Manufacturer: Ballistic Advantage Color: Black Finish: QPQ Corrosion Resistant Barrel Profile: Straight Barrel Twist Rate: 1-10 Barrel Material: 4150 Chrome Moly Vanadium Flutes: No Gun Make: AR Platform Condition: New Gas System Type: Blowback Firearms Threads Per Inch: 1/2x28 Country of Origin: USA Features of Ballistic Advantage Modern Series AR 9mm Straight Threaded Barrel Designed to work with both Colt/RR and Glock style AR builds. Compatible with standard mil-spec uppers. There are also numerous dedicated 9mm upper options that work. Requires the use of a unique magwell conversion (Colt/Rock River style) with UZI mags or a dedicated 9mm lower with Glock mags. 9mm on an AR15 platform operates by blowback and does not need a gas block or gas tube. Threaded 1/2x28 instead of 1/2x36 to give you greater versatility when choosing a suppressor. Integrated feed ramp and barrel extension. Since the barrel extensionin is an integral part of the barrel the length stated is the true overall length. For example an 11in 9mm barrel has the same outer dimensions/length as a 10.5in 5.56 barrel. Package Contents: Ballistic Advantage Modern Series AR 9mm Straight Threaded Barrel Ballistic Advantage BABL9MM026M: Modern Series Barrel 9mm 5.5 inch Straight 1-10 Twist Black
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