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Bartlein Barrels

Bartlein Barrel - SS, .270 Cal, B#11 Medium Palma, 10 twist, 31'' blank, 5R

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Bartlein Barrel - High Precision .270 Caliber Barrel

Bartlein Barrel - SS, .270 Cal, B#11 Medium Palma, 10 Twist, 31'' Blank, 5R

Introducing the Bartlein Barrel, a top-of-the-line stainless steel barrel designed for precision shooting. Tailored for .270 caliber rifles, this barrel features a B#11 Medium Palma contour, a 10 twist rate, and a 31-inch blank. It incorporates the advanced 5R rifling, setting a new standard in shooting accuracy and performance.

Technical Specifications and Features

  • Caliber: .270
  • Contour: B#11 Medium Palma
  • Twist Rate: 10
  • Length: 31 Inches
  • Rifling: 5R

Understanding the Importance of Barrel Contour

The choice of barrel contour significantly impacts the performance of a rifle. Heavier contours, like the B#11 Medium Palma, can resist movement and wandering as the barrel heats up during shooting, maintaining accuracy. Although contour plays a role, the precision crafting of Bartlein Barrels, including our single point cut rifling, ensures stress-free, high-performance barrels regardless of contour.

Why Choose 5R Rifling?

5R rifling is known for its gentle angle on the sides of the lands, reducing bullet deformation and enhancing accuracy. This rifling style has proven effective in maintaining bullet integrity and improving flight, as confirmed by ammunition and bullet manufacturers. Specifically, our .270 caliber barrel with 5R rifling offers exceptional performance and longevity.

Fluting: More Than Just Aesthetics

Fluting a barrel is not just about aesthetics; it also reduces weight and enhances barrel cooling by increasing surface area. While fluting can impact harmonic vibrations and stiffness, our expertly crafted barrels maintain their integrity and accuracy even with fluting.

FAQs: Common Questions Answered

Should suppressors be used on any barrel contour? We recommend using suppressors on heavier barrel contours like the Medium Palma to ensure optimal performance.
What is the significance of single point cut rifling? Unlike button rifling, single point cut rifling does not induce stress into the barrel, maintaining consistent bore sizes and enhancing accuracy.


The Bartlein Barrel in .270 caliber with B#11 Medium Palma contour and 5R rifling is an exceptional choice for precision shooters who demand the best. Its meticulous design and manufacturing ensure unparalleled accuracy and performance. Choose Bartlein Barrels for a superior shooting experience.

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Additional Information

Caliber / Bore Size:
.270 Cal
B#11 Medium Palma
31in Blank
Stainless Steel
Twist Rate:
1 in 10.00in
Groove Type:
# Grooves:
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