Quick Answer
For 6x47 Lapua varmint hunting, a heavy barrel is generally preferred due to its enhanced accuracy and stability under heavy recoil, making it suitable for high-powered cartridges.
Choosing the Right Barrel Profile
When selecting a barrel profile for your 6x47 Lapua, consider the trade-off between weight and accuracy. A heavier barrel (typically 1.3-1.5 inches or 33-38mm in diameter) provides improved accuracy, as it is less prone to movement and vibration caused by recoil. This is especially important when hunting varmints, as you want to ensure accurate first shots.
Barrel Material Considerations
In addition to barrel diameter, material choice also plays a significant role in your 6x47 Lapua’s performance. A high-quality, chrome-moly steel barrel is an excellent choice for this cartridge, as it offers exceptional strength, durability, and resistance to wear. When selecting a steel barrel, look for one with a minimum thickness of 0.095 inches (2.4mm) to ensure optimal performance and longevity.
Balancing Weight and Accuracy
To achieve a balance between weight and accuracy, consider a barrel length of 26-28 inches (660-710mm) for your 6x47 Lapua. This length provides sufficient accuracy while minimizing weight and recoil. Additionally, a 1:9 or 1:10 twist rate is recommended to stabilize the 105-120 grain bullets commonly used in this cartridge.
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