.375 Bolt Dimensions: A Comprehensive Guide
The .375 bolt is a popular caliber used in bolt-action rifles, known for its versatility and effectiveness in hunting and target shooting applications. One of the key factors to consider when working with .375 bolts is the dimensions of the cartridge and its compatibility with firearms. In this article, we will delve into the dimensions of the .375 bolt and explore its various measurements.
Cartridge Dimensions
The .375 bolt cartridge has a diameter of .375 inches (9.53 mm) and an overall length of 3.34 inches (84.8 mm). The case length is 2.85 inches (72.4 mm), with a rim diameter of .532 inches (13.5 mm) and a rim thickness of .050 inches (1.27 mm). The shoulder angle is 30 degrees, and the case capacity is approximately 83.5 grains of water.
Chamber Dimensions
The .375 bolt chamber dimensions are crucial to ensure proper functioning and safety of the firearm. The chamber diameter is .376 inches (9.55 mm), with a chamber length of 2.86 inches (72.6 mm). The freebore diameter is .378 inches (9.61 mm), and the freebore length is .25 inches (6.35 mm).
Bolt Face Dimensions
The bolt face dimensions are essential to ensure proper headspacing and functioning of the firearm. The bolt face diameter is .376 inches (9.55 mm), with a bolt face thickness of .050 inches (1.27 mm). The extractor groove diameter is .312 inches (7.92 mm), with a extractor groove width of .062 inches (1.57 mm).
Reamer Dimensions
Reamer dimensions are critical to ensure proper chambering of the .375 bolt cartridge. The reamer diameter is .376 inches (9.55 mm), with a reamer length of 2.86 inches (72.6 mm). The reamer pilot diameter is .250 inches (6.35 mm), with a reamer pilot length of .50 inches (12.7 mm).
Conclusion
In conclusion, the .375 bolt dimensions are critical to ensure proper functioning and safety of the firearm. Understanding the various dimensions of the cartridge, chamber, bolt face, and reamer is essential for gunsmiths, reloaders, and shooters who wish to work with this caliber. By following the dimensions outlined in this article, you can ensure that your .375 bolt rifle is properly chambered and functions safely and efficiently.
