The PROOF Research stainless steel bolt barrel in 6mm Creedmoor is purpose-built for precision shooters running a Zermatt action. This 26-inch barrel combines PROOF's manufacturing discipline—the same processes used in their carbon fiber barrels—with traditional steel construction, delivering the accuracy and durability long-range hunters and competition shooters depend on. The 1:7.5 twist rate stabilizes modern 6mm Creedmoor loads effectively, whether you're load-testing at the bench or hunting at distance.

PROOF starts with double stress-relieved 416R stainless steel, a pre-hardened chromium stainless chosen specifically for consistent performance and longevity. Every barrel undergoes identical drilling, rifling, and lapping as their carbon offerings—no shortcuts. The result is a barrel that shoots true and holds zero through strings of fire, whether you're breaking it in for a hunting rifle or working up precision loads for competition.

If you're building a custom bolt rifle on a Zermatt action and want a proven, quality barrel without the complexity of carbon fiber, this stainless option delivers repeatability and reliability at a solid price point. The 26-inch length and 1:7.5 twist make it a natural fit for modern 6mm Creedmoor cartridges across hunting and target applications.

The PROOF Research stainless steel bolt barrel in 6mm Creedmoor is purpose-built for precision shooters running a Zermatt action. This 26-inch barrel combines PROOF's manufacturing discipline—the same processes used in their carbon fiber barrels—with traditional steel construction, delivering the accuracy and durability long-range hunters and competition shooters depend on. The 1:7.5 twist rate stabilizes modern 6mm Creedmoor loads effectively, whether you're load-testing at the bench or hunting at distance.

PROOF starts with double stress-relieved 416R stainless steel, a pre-hardened chromium stainless chosen specifically for consistent performance and longevity. Every barrel undergoes identical drilling, rifling, and lapping as their carbon offerings—no shortcuts. The result is a barrel that shoots true and holds zero through strings of fire, whether you're breaking it in for a hunting rifle or working up precision loads for competition.

If you're building a custom bolt rifle on a Zermatt action and want a proven, quality barrel without the complexity of carbon fiber, this stainless option delivers repeatability and reliability at a solid price point. The 26-inch length and 1:7.5 twist make it a natural fit for modern 6mm Creedmoor cartridges across hunting and target applications.