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Bartlein Barrels

Bartlein Barrel - SS, .270 Cal, B#3B Light Bull Sporter, 10 twist, 27'' blank, 5R

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Bartlein Barrel - .270 Cal, Precision Engineered for Superior Shooting

Bartlein Barrel - .270 Cal, B#3B Light Bull Sporter, 10 Twist, 27" Blank, 5R: Precision Engineered for Superior Shooting

Elevate your shooting experience with the Bartlein Barrel - .270 Cal, B#3B Light Bull Sporter. Designed for precision and performance, this barrel is a top choice for competitive and recreational shooters.

Impact of Barrel Contours on Weight

The contour of a barrel plays a significant role in its weight. A heavier contour generally results in better shooting stability, especially when the barrel heats up during continuous firing.

Single Point Cut Rifling: Precision and Stress-Free

At Bartlein Barrels, we utilize single point cut rifling, a process that ensures no stress is induced into the barrel blank. This technique is crucial for maintaining accuracy and prolonging the barrel's life.

Effectiveness of Heavier Barrels and Suppressor Use

Heavier barrels typically provide better recoil handling and allow for extended shooting sessions with less fatigue. When using suppressors, it's advisable to choose barrels with medium to heavy contours for optimal performance.

Advantages of 5R Rifling

The 5R rifling in our barrels is known for its gentle angle on the lands, reducing bullet deformation. This feature significantly enhances accuracy and extends the bullet's effective range.

Fluting: Balancing Aesthetics and Functionality

Fluting not only adds a unique aesthetic to the barrel but also contributes to weight reduction and improved cooling. It's important to note that excessive fluting depth can affect the barrel's harmonic characteristics, impacting accuracy.

Rifling Styles for Varied Needs

We offer various rifling styles including 4-groove, 5R, and Conventional-5. These options allow shooters to select the best match for their shooting style and ammunition preferences.


The Bartlein Barrel - .270 Cal, B#3B Light Bull Sporter, 10 Twist, 27" Blank, 5R is the epitome of precision engineering and craftsmanship. Ideal for those seeking a high-performance, durable barrel that combines aesthetics with functionality. Enhance your shooting experience with Bartlein Barrels.

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Additional Information

Caliber / Bore Size:
.270 Cal
B#3B Light Bull Sporter
27in Blank
Stainless Steel
Twist Rate:
1 in 10.00in
Groove Type:
# Grooves:
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