AR-15 6mm ARC Barrels Heavy Profile - 6mm ARC Barrel 18in 1-8 5R Mid-Length 5/8-24 Black

All Faxon Firearms barrels

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Faxon Firearms Ar-15 6mm Arc Barrels Heavy Profile - 6mm Arc Barrel 18in 1-8 5r Mid-Length 5/8-24 Blk - Barrel for AR-15 - view 1
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Faxon Firearms

Overview

The Faxon Firearms 6mm ARC Barrel is designed for precision and performance, featuring an 18-inch heavy barrel profile (HBAR) that helps manage heat and improve accuracy. With a 1:8 twist rate, this barrel stabilizes a wide range of bullet weights, making it versatile for various loads, while the mid-length gas system ensures reliable cycling and reduced recoil. This barrel is commonly found in builds utilizing the 6mm ARC caliber, particularly those aiming for enhanced long-range capabilities.

Specifications

MPNBN15BARC8M18NHQ-5R
Thread Pitch5/8x24
Twist Rate1:8
Barrel ProfileHBAR
Caliber6mm ARC
Gas System LengthMid-Length
Barrel Length18

Available Merchants(1)

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$221.99

Build history on GunPartPicker

Builders have added the FAXON Firearms AR-15 6mm ARC Barrels Heavy Profile - 6mm ARC Barrel 18in 1-8 5R Mid-Length 5/8-24 Black to their builds on GunPartPicker. Since April 2026, it ranks #258 of the 1,049 barrels builders have added.

Today the one retailer we track is out of stock. Listed prices start at $221.99 at Brownells for when it comes back.

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Builds Featuring This Part

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Builds in the community that include the Ar-15 6mm Arc Barrels Heavy Profile - 6mm Arc Barrel 18in 1-8 5r Mid-Length 5/8-24 Blk

BuildPartsTotal
PDW 18" build
PDW 18"
11$860.79

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