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PXT Bolt Action Barrel Blanks Carbon Fiber

Original price was: $1,199.99.Current price is: $1,049.99.

1.200 Shank Diameter
Sendero Contour
Blank – must be chambered by competent gunsmith
90 day lead time

Caliber

Barrel Length

Contour

Clear

Description
Additional information

PXT Bolt Action Barrel Blanks Carbon Fiber

DESIGNED FOR THE ENTHUSIAST

PROOF Research PXT carbon fiber barrel blanks combine next-generation rifling technology with the lightweight performance and precision that have defined PROOF barrels for years. PXT – PROOF Exponential Twist – is a complete rethinking of conventional rifling geometry and twist progression, engineered to reduce engraving force, minimize throat erosion, and create a smoother transition as the projectile engages the rifling.

By dramatically reducing rifling lead angle and smoothing projectile engagement into the bore, PXT technology helps reduce wear, improve consistency, and create less felt torque during firing for improved recoil control and the ability to stay on target more effectively.

In controlled testing, PXT barrels have demonstrated 30-100% increase in barrel life while maintaining the accuracy standards expected from a PROOF barrel.

Built around our proven carbon fiber construction, PXT barrel blanks provide exceptional stiffness-to-weight ratio and reduced overall rifle weight without sacrificing performance. Designed for custom rifle builders and gunsmiths, these blanks offer a premium foundation for lightweight hunting rifles, precision long-range systems, and modern high-performance rifle builds where consistency and durability matter most.

Positioning

· PXT is not an incremental improvement to traditional rifling. It’s a fundamental redesign of how a bullet engages the rifling at ignition.

· Traditional barrels shock the bullet into rotation. PXT brings it into rotation progressively.

The Problem We Solved

· At ignition, conventional barrels:

o Force abrupt rifling engagement

o Spin the bullet almost instantly

o Create pressure spikes, throat wear, and projectile deformation

· These issues become more pronounced with:

o Modern high-pressure ammunition

o Higher velocity demands

o Extended firing schedules

The PXT Difference

· 50–98% reduction in twist angle

· Progressive twist. Long barrels as shallow as 1:500, shorter barrels less.

· Smoother rifling profile (~30% less engraving force)

· Result: Controlled, gradual bullet engagement

What It Means

· 30–100% longer barrel life, depending on barrel length

· 20–50% improved consistency/accuracy

· Dramatically reduced throat erosion, especially with longer barrels

· Less sensitivity to ammo variation. Smoother jump to rifling allows greater accuracy with different ammunition over the life of the barrel.

· Stronger performance with next generation of higher-pressure factory ammo

· At ignition, all conventional barrels slam the bullet into the rifling and spin it instantly. PXT reduces that engagement by up to 98% and brings the bullet into rotation gradually with our exponential twist rifling profile.

· That means less stress on the system, longer barrel life, and better consistency—especially with modern high-pressure ammo.

· PXT is built for where ammunition is going—not where it’s been

· Lasts longer (30–100% increase)

· Shoots more consistently (20–50% tighter groups)

· Performs better with modern high-pressure ammo

Proof Research | PXT Bolt-Action Barrel Blanks

Explore Firearm Solutions – J&A Outdoors

Caliber	224 8 Twist (PXT), 264 7.5 Twist (PXT), 284 8 Twist (PXT), 308 10 Twist (PXT), 308 9 Twist (PXT)
Barrel Length	16.5, 18, 20, 22, 24
Contour	Sendero