Faxon Firearms Gov't/Socom 300 Blackout Light Barrel - 10.5

Faxon Firearms Gov't/Socom 300 Blackout Light Barrel - 10.5

Name: Faxon Firearms Gov't/Socom 300 Blackout Light Barrel - 10.5
Brand: Faxon Firearms

Faxon Firearms · Barrels

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Best price

$137.75at Rainier Arms

not checked recently

Buy at Rainier Arms

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Where to buy

Store	Price	Availability	Buy	Add to build
Rainier Arms Best price	$137.75not checked recently	Check store	Buy at Rainier Arms
Faxon Firearms	$155.00checked Oct 1, 2026	Check store	Buy at Faxon Firearms

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

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Dashed line = out of stock. Tracking since Sep 28, 2026.

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Store	Latest	Lowest	Highest
Faxon Firearms	$155.00	$155.00	$155.00

Since Sep 28, 2026.

About this part

The Faxon Firearms Gov't/Socom 300 Blackout Light Barrel - 10.5 is a 10.5" 300 Blackout barrel from Faxon Firearms with a pistol gas system. It's sold by 2 stores, from $137.75 to $155.00.

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
Barrel length: 10.5" · Handguards

Specifications

Manufacturer: Faxon Firearms
Color: Black
Platform: AR-15
Caliber: 300 Blackout
Gas system: Pistol
Barrel length: 10.5"
Finish: Black

From the manufacturer

Faxon Firearms barrels are the pinnacle of value. Manufactured 100% in-house from cradle-to-grave, these barrels are button-rifled and air-guage tested to ensure superior accuracy.
All barrels are manufactured under our ISO:9001 and AS:9100 (pending) quality certifications. We inspect each barrel over 15 times before it ever reaches you.

Barrel Material: 4150
Barrel Type: Button Rifled
Barrel Caliber: 300BLK AAC
Barrel Twist: 1:8RH
Barrel Length: 10.5
Barrel Profile: Medium
Barrel Gas System: Pistol
Inside Finish: QPQ Nitride
Outside Finish: QPQ Nitride
Muzzle Thread: 5/8"-24
Gas Block Diameter: .750"
Gas Hole Diameter:
Barrel Extension: M4
Weight: 1.15 lbs
Magnetic Particle Inspected!
11-degree Target Crown