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Bartlein Barrels

Bartlein Barrel - SS, .458 Cal, B# Custom, 14 twist, 26'' blank, 5R

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Bartlein Barrel SS .458 Cal B# Custom - Precision and Performance

Bartlein Barrel - SS, .458 Cal, B# Custom, 14 Twist, 26'' Blank, 5R

Discover the pinnacle of barrel precision with the Bartlein Barrel SS .458 Cal B# Custom. Engineered for the most demanding shooters, this barrel offers a unique 14 twist rate, a 26-inch blank, and the renowned 5R rifling, making it a top choice for competitive shooting and hunting.

Impact of Barrel Contours on Weight and Performance

Barrel weight and performance are intricately linked, with contours playing a significant role. Heavier contours can enhance stability and accuracy, particularly in challenging shooting conditions. Our Bartlein Barrels are tailored to provide the perfect balance, ensuring superior performance regardless of the contour.

Advanced Single Point Cut Rifling Technology

At Bartlein Barrels, we employ single point cut rifling, a process that eliminates stress induction in the barrel blank, ensuring consistent accuracy. This technique results in barrels that deliver exceptional performance, especially in high-pressure shooting scenarios.

Optimal Barrel Design for Suppressors

Our barrels are designed to accommodate suppressors effectively, especially on heavier barrel designs. The harmonics and vibrations are finely tuned to optimize shooting performance, making our barrels ideal for a variety of shooting applications.

Fluting: Enhancing Aesthetics and Performance

Fluting not only adds an aesthetic appeal to our barrels but also contributes to performance by reducing weight and aiding in barrel cooling. At Bartlein, we ensure that the fluting process is meticulously done to enhance the barrel's functionality without compromising its integrity.

Choice of Rifling and Its Importance

We offer a choice of rifling styles, including 4-groove, 5R, and Conventional-5, each with its unique advantages. Our 5R rifling is particularly beneficial in reducing bullet deformation, thus enhancing accuracy and performance.


The Bartlein Barrel SS .458 Cal B# Custom represents a fusion of advanced technology and precision craftsmanship. Whether for competitive shooting or hunting, this barrel is designed to deliver unparalleled accuracy and performance. Choose Bartlein for a barrel that redefines precision shooting.

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Additional Information

Caliber / Bore Size:
.458 Cal
B# Custom
26in Blank
Stainless Steel
Twist Rate:
1 in 14.00in
Groove Type:
# Grooves:
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