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

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Ballistic Advantage Modern Series .300 AR Rifle Barrel 10.5in MSARB30 - Barrel for AR-15 - view 1
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Ballistic Advantage

Overview

The Ballistic Advantage Modern Series .300 AR Rifle Barrel features a compact 10.5-inch length tailored for the .300 Blackout caliber, making it ideal for short-barreled rifle builds. This barrel utilizes a pistol-length gas system, which enhances reliability and reduces recoil, allowing for smoother operation in a compact package. Commonly, you'll find this barrel in builds designed for close-quarters engagements or suppressed applications, where versatility and maneuverability are key.

Specifications

MPNBABL300008M
Caliber300 Blackout
Gas System LengthPistol
Barrel Length10.5

Available Merchants(7)

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Ballistic Advantage logo
Ballistic Advantage
Free shipping
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Stock Unknown
$165.00
AT3 Tactical logo
AT3 Tactical
Shipping TBD
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Out of Stock
$125.40
Sportsmans Outdoor Superstore logo
Sportsmans Outdoor Superstore
Flat rate shipping
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Out of Stock
$142.99
Optics Planet logo
Optics Planet
Free shipping
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Out of Stock
$156.75
Classic Firearms logo
Classic Firearms
Shipping varies
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Out of Stock
$156.75
BattleHawk Armory logo
BattleHawk Armory
Shipping varies
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Out of Stock
$156.75
KY Gun Company logo
KY Gun Company
Flat rate shipping
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Out of Stock
$156.75

Build history on GunPartPicker

Builders have added the Ballistic Advantage Modern Series .300 AR Rifle Barrel 10.5in MSARB30 to their builds on GunPartPicker. Since April 2026, it ranks #94 of the 1,043 barrels builders have added.

It was hard to find in October 2026, in stock on only 9 of the 25 days we checked, and today none of the 7 retailers we track has it in stock right now. Listed prices start at $125.40 at AT3 Tactical for when it comes back.

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Builds Featuring This Part

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Builds in the community that include the Ballistic Advantage Modern Series .300 AR Rifle Barrel 10.5in MSARB30

BuildPartsTotal
DMR 10.5" 5.56 build
DMR 10.5" 5.56
11$1604.21
for hunting hogs 10.5" build
for hunting hogs 10.5"
21$1299.77

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