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Ballistic Advantage Modern Series .300 AR Rifle Barrel 10.5in MSARB30

Ballistic Advantage · Barrels

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Ballistic Advantage Modern Series .300 AR Rifle Barrel 10.5in MSARB30

Best price

$156.99at GunMag Warehouse

In stock checked Nov 13, 2026

Compare 7 stores

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
10.5" · Handguards

Specifications

Manufacturer
Ballistic Advantage
Color
Black
Platform
AR-15
Caliber
300 Blackout
Gas system
Pistol
Barrel length
10.5"
Twist rate
1:7
Thread pattern
5/8 x 24

Where to buy

StorePriceAvailabilityBuyAdd to build
GunMag Warehouse Best price $156.99checked Nov 13, 2026 In stock Buy at GunMag Warehouse
Dirty Bird $118.95checked Nov 13, 2026 Check store Buy at Dirty Bird
AR15Discounts 5% off $129.95checked Nov 13, 2026 Check store Buy at AR15Discounts
Classic Firearms $156.75checked Nov 13, 2026 Check store Buy at Classic Firearms
OpticsPlanet $156.75Salechecked Nov 13, 2026 Out of stock Buy at OpticsPlanet
Kentucky Gun Co $156.75checked Nov 13, 2026 Out of stock Buy at Kentucky Gun Co
MidwayUSA $165.00checked Nov 13, 2026 Out of stock Buy at MidwayUSA

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: $156.75 at Kentucky Gun Co. Dashed line = out of stock. Tracking since Oct 17, 2026.

Show the prices as a table
StoreLatestLowestHighest
AR15Discounts$129.95$129.95$129.95
Classic Firearms$156.75$156.75$156.75
Dirty Bird$118.95$118.95$118.95
GunMag Warehouse$156.99$156.99$156.99
Kentucky Gun Co$156.75$156.75$156.75
MidwayUSA$165.00$165.00$165.00
OpticsPlanet$156.75$156.75$156.75

Since Oct 17, 2026.

About this part

The Ballistic Advantage Modern Series .300 AR Rifle Barrel 10.5in MSARB30 is a 10.5" 300 Blackout barrel from Ballistic Advantage with a pistol gas system. It's sold by 7 stores (1 in stock), from $118.95 to $165.00. The lowest in-stock price in the last 30 days was $156.75 at Kentucky Gun Co.

From the manufacturer

Ballistic Advantage Modern Series .300 AR Rifle Barrel 10.5in MSARB30. Ballistic Advantage built these Rifle Barrels with a 1:7 twist rate and QPQ corrosion resistant finish that hold up in any environment. The Ballistic Advantage Modern Series QPQ Coated Rifle Barrel is made from chrome moly vanadium steel for added toughness at a lighter weight and these barrels are corrosion resistant so that you can use them in the harshest environments. Improve your weapon's function and precision by installing a Ballistic Advantage Modern Series .300 AAC Blackout Rifle Barrel. Specifications for Ballistic Advantage Modern Series .300 AR Rifle Barrel: Manufacturer: Ballistic Advantage Color: Black Finish: QPQ Corrosion Resistant Fabric/Material: 4150 Chrome Moly Vanadium Caliber: .300 AAC Blackout Barrel Profile: DRP Gas System Length: Pistol Length Gas Block Journal Size-Diameter: .750 in Barrel Material: 4150 Chrome Moly Vanadium Gun Make: AR Platform Gun Model: AR-15 Condition: New Firearms Threads Per Inch: 5/8x24 Country of Origin: USA Features of Ballistic Advantage Modern Series .300 AR Rifle Barrel: Material: 4150 Chrome Moly Vanadium QPQ Corrosion Resistant Finish QPQ coated M4 feed ramp extension Package Contents: Ballistic Advantage Modern Series .300 AR Rifle Barrel What firearm models does the manufacturer say Ballistic Advantage Modern Series .300 AR Rifle Barrel is compatible with? The manufacturer says that Ballistic Advantage Modern Series .300 AR Rifle Barrel is compatible with AR-15 M4Ballistic Advantage BABL300008M: DRP Modern Series .300 AR Barrel Black 10.5 in

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