AR-15 6mm ARC Barrels Heavy Profile - 6mm ARC Barrel 18in 1-8 5R Mid-Length 5/8-24 Black
2 options
- 16"out of stock
- 18", this page
Click to see full view
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
AR-15 6mm ARC Barrels Heavy Profile - 6mm ARC Barrel 18in 1-8 5R Mid-Length 5/8-24 Black
2 options
- 16"out of stock
- 18", this page
Build history on GunPartPicker
Builders on GunPartPicker first 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 a build in May 2026.
It was out of stock everywhere we track for all of September 2026, and today the one retailer we track is out of stock. Listed prices start at $221.99 at Brownells for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
Not sure which barrel to pick?
We ranked every barrel by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Barrel Length & Brand Report →Check it against the live catalog:
Frequently Built With
Popular alongside barrels on GunPartPicker
Bravo Company Mfg Upper Receiver Assembly w/ Laser T-Markings, Hard Coated Anodized - 4-UR-M4
Aero Precision Stripped M4E1 AR-15 Lower Receiver - Special Edition - Freedom
Aero Precision AR-15 Breach Charging Handle Ambidextrous Small Levers
Maximize Your AR-15's Potential with Tacfire's 15" ACE M-LOK Handguard - Black Excellence - HG20-15
Bravo Company M16 Bolt Carrier Group Black
Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger
Builds Featuring This Part
See all 1 →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
| Build | Parts | Total |
|---|---|---|
 | 11 | $858.33 |
No reviews yet. Be the first to review this product!