This Proof Research pre-fit barrel is made for the Zermatt Arms Origin action, a common foundation for custom bolt-action rifles. It is chambered in 6.5 Creedmoor at 20.00" in a Sendero contour, with a 5/8-24 threaded muzzle ready for a brake or suppressor, and the carbon fiber construction keeps a stiff contour light enough to carry.
PXT, PROOF Exponential Twist, reworks the rifling geometry and twist progression with a much lower lead angle, so the bullet engages the rifling more gradually. Proof engineered it to lower engraving force and throat erosion, cut felt torque for steadier follow-up shots, and extend barrel life while holding the accuracy standard expected from a Proof barrel. The 1:7.5 PXT twist stabilizes the long, high-BC bullets 6.5 Creedmoor is known for.
- Brand: Proof Research
- Product Type: Pre-Fit Barrel, PXT
- Compatibility: Zermatt Arms Origin
- Caliber: 6.5 Creedmoor
- Barrel Length: 20.00", Carbon Fiber, Sendero Contour
- Twist Rate: 1:7.5 PXT
- Muzzle Thread: 5/8-24
| __Model | Pre-Fit PXT |
| __Barrel Length | 20.00" |
| __Caliber | 6.5 Creedmoor |
| __Twist Rate | 1:7.5 |
| __Firearm Compatibility | Zermatt Arms Origin |
| __Gun Make Compatibility | Zermatt Arms |
| __Material | Carbon Fiber |
| __Barrel Type | Threaded |
