Lapua Scenar-L Ammunition 6.5x55mm Swedish Mauser 136 Grain Hollow Point Boat Tail 500rds

6.5x55mm Swedish Mauser Barrel Specifications.

Common Barrel Lengths – 22″, 24″, 26″ and 28″.
Common Barrel Twist Rate – 1 in 8″.
Bore Groove Diameter – .265″.
Bore Land Diameter – .256″.

6.5x55mm Swedish Mauser Reloading Specifications.

Bullet Diameter – .264″.
Maximum Case Length – 2.160″.
Trimmed Case Length – 2.150″.
Primer Size – Large Rifle / .210″ Diameter.
Maximum Cartridge Overall Length – 3.150″.
6.5x55mm Swedish Mauser Loading Data Hints.

The 6.5x55mm is a cartridge known for its versatility and the performance benefits attributed to the Swedish Mauser rifle’s barrel. The Swedish Mauser barrel boasts a combination of characteristics that enhance accuracy, precision, and long-range performance. Firstly, the 6.5 caliber offers a smaller diameter compared to standard .30 caliber rifle cartridges, allowing for tighter tolerances within the barrel and action. This results in reduced wind deflection and decreased bullet deviation over long ranges, making it a superior choice for hunting and long-range shooting. The Swedish Mauser’s cold hammer-forged barrel is renowned for its durability and consistency, with a unique rifling style that promotes accurate and efficient expansion of the bullet. The barrel is also designed with a relatively long throat and a 2:2.5″ twist, which stabilizes and straightens the 6.5x55mm bullet as it travels down the bore, allowing for higher muzzle velocities and improved accuracy. The 6.5x55mm Swedish Mauser rifle is also known for its ability to handle the high-velocity loads required for long-distance shooting without compromising barrel longevity. This is largely attributed to the rifle’s robust design and the high-quality materials used in the manufacture of its barrel.

The 6.5x55mm Swedish Mauser, developed in the late 19th century, is a renowned cartridge that has gained a significant following among rifle enthusiasts and marksmen. Designed primarily for use in the Swedish Mauser rifles, especially the M96, this cartridge has a reputation for accuracy, low recoil, and effective terminal performance. The barrel that houses this cartridge plays a critical role in its overall performance. Typically, Swedish Mauser barrels are made from high-quality steel, crafted to withstand the high pressures associated with modern ammunition while maintaining precision. Barrel length can vary, but the standard length is about 29 inches for military rifles, which enhances muzzle velocity and accuracy.

The rifling inside the barrel is also noteworthy; most Swedish Mauser barrels feature a 1 in 8″ twist rate, optimized for stabilizing the relatively long, sleek 6.5mm bullets. This twist rate enables the barrel to handle various bullet weights, typically ranging from 120 to 160 grains, making it versatile for different shooting applications, from hunting to target shooting. The barrel’s dimensions, along with its chamber design, contribute to the cartridge’s exceptionally low standard deviation in velocity, which is crucial for long-range shooting.

Another important aspect to consider is the barrel crown and its impact on accuracy. The crown of the barrel, which is the very end where the bullet exits, must be shaped correctly to ensure that it does not disrupt the gas flow around the bullet as it leaves the barrel. A well-crowned barrel can significantly enhance accuracy, and Swedish Mauser barrels are typically machined to high standards to maintain this precision.

Over the years, many shooters have sought to replace or modify their Swedish Mauser barrels to achieve specific performance characteristics, such as better accuracy or tailored handling. Aftermarket options can include straightening or re-chambering the barrel to fit custom configurations for specialty loads. However, the original barrels themselves are often praised for their craftsmanship and durability, reflecting Sweden’s historical commitment to quality firearms manufacturing.

In terms of maintenance, the 6.5x55mm Swedish Mauser barrel—like any barrel—requires regular cleaning and care to prevent corrosion and fouling that can affect accuracy. Given its historical background, it’s not uncommon to find older Mauser barrels that have been refurbished or re-lined to extend their service life, showcasing the enduring legacy of this cartridge and the rifles designed for it.

In conclusion, the 6.5x55mm Swedish Mauser barrel is a key component that embodies the characteristics of this respected cartridge, built to provide accuracy, efficiency, and reliability. Whether utilized in military applications or by civilian marksmen, the inherent quality of the barrel contributes significantly to the overall performance of the rifle, making it a cherished piece of firearm engineering in the world of shooting sports. Its historical significance combined with its modern relevance ensures that the 6.5x55mm Swedish Mauser remains a favored choice for enthusiasts worldwide.