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Bartlein Barrels

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

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Bartlein Barrel - .270 Cal SS B#3 Heavy Sporter for Superior Shooting Performance

Bartlein Barrel - SS, .270 Cal, B#3 Heavy Sporter, 10 Twist, 27'' Blank, 5R

Introducing the Bartlein .270 Cal Stainless Steel B#3 Heavy Sporter Barrel, a masterpiece of precision engineering designed for competitive shooters and hunting enthusiasts. This barrel, featuring a 10 twist rate and 27-inch blank, is equipped with 5R rifling, making it a top choice for achieving exceptional accuracy and performance.

Advanced Manufacturing for Unmatched Accuracy

At Bartlein Barrels, we specialize in single point cut rifling, the most precise and accurate method of rifling a barrel. This process ensures almost perfect concentricity between bore and groove, providing a very uniform twist rate. The result is a barrel that consistently delivers tight groupings and superior shooting performance.

Quality Steel for Optimal Barrel Performance

The quality of steel used in barrel manufacturing is critical. We use only the highest quality steel, ensuring our barrels meet stringent standards. This dedication to quality results in stainless steel and chrome moly barrels that maintain excellence from the initial steel mill processing to the final product.

The Importance of Rifling

The 5R rifling in our barrels is known for reducing bullet deformation, which leads to improved accuracy. We offer three different types of rifling Ð 4-groove, 5R, and Conventional-5 Ð each providing unique benefits. Our feedback from ammunition and bullet manufacturers affirms the high accuracy and longevity of our barrels.

Customization to Suit Your Shooting Needs

Understanding that every shooter has unique needs, we offer customization options for length, contour, and rifling to fit your specific requirements. This personalized approach ensures that your barrel aligns perfectly with your shooting style.

Enhanced Barrel Finishing

Our barrels are lapped after reaming to remove tool marks, and then hand-lapped again after rifling. This finishing process not only achieves uniformity of dimensions but also improves the finish, reducing fouling and easing cleaning.

Trusted by Professionals

Bartlein Barrels are trusted by professional marksmen and shooting enthusiasts worldwide. Our commitment to precision and quality in manufacturing results in barrels that deliver exceptional accuracy and reliability in every shot.


Choose the Bartlein .270 Cal Stainless Steel B#3 Heavy Sporter Barrel for unmatched precision and performance. Whether for competition shooting or hunting, this barrel stands as a testament to Bartlein's commitment to excellence in barrel manufacturing. Elevate your shooting precision today with Bartlein.

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Additional Information

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