6mm ARC Barrels

About 5% of the AR-15 barrels we track are 6mm ARC — around 300 listings across 30+ retailers. The most common gas system is rifle, at roughly 17%. Most run a 20 barrel length. Proof Research and Ballistic Advantage lead the category. The average listing runs around $850, priced live across every retailer we track — so it reflects today, not whenever an article was published.

Prices checked · refreshed daily

By gas system
  • Rifle17%
  • Pistol7%
  • Mid-Length5%
By barrel length
  • 2021%
  • 1615%
  • 1815%
By twist
  • 1:738%
  • 1:813%

Browse all 284 barrels →

See the barrels builders picked most this month →

Other caliber options

Barrels by barrel length

Barrels by twist rate

Barrels by gas system length