Proof Research: 6 GT, Stainless Steel, 1 - 7.5 Twist, Terminus Zeus, 26"

Proof Research : 133521
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PROOF Research carbon fiber & steel pre-fit barrels for the Terminus Apollo, Zeus and Kratos actions come chambered and threaded for an easy install. Simply torque on, double check & ensure headspace with proper gauges and head to the range! Pre-fit barrels that deliver shot for shot accuracy and performance - there is simply no better choice for the Terminus Apollo, Zeus, and Kratos actions than our carbon fiber & steel pre-fit barrels.

Zeus: Pre-fits will fit actions with the "quick change" option but not the "full length" thread option.


  • Long-Lasting: Excellent erosion wear characteristics and corrosion resistance.
  • Extreme Pressure Resistance: An optimum combination of high tensile strength along with requisite toughness to withstand extreme chamber pressures encountered during firing. 


  • Caliber: 6 GT
  • Action Model: Zeus
  • Barrel Length: 26”
  • Twist Rate: 1:7.5
  • Thread: 5/8-24
  • Contour: Competition
  • Weight: 7lb 5 oz.


  • All shouldered pre-fit barrels are guaranteed for headspacing.
  • Due to variance in actions Proof Research does not guarantee the timing and alignment of the barrel engraving to your stock line.
  • Barrels are specific to the action type/length and are not interchangeable.
Don’t see what you need? Call us at 303.255.9999.
6mm Creedmoor
26 in
Terminus Zeus