What is the rifling specification of the M2 Browning?

The rifling specification for the M2 Browning machine gun includes a 1/15 right-hand twist with 8 grooves. This rifling pattern is essential for stabilizing the projectile as it travels down the barrel, allowing for improved accuracy and performance. A right-hand twist means that the grooves spiral to the right when viewed from the chamber towards the muzzle, which is the common configuration for many firearms.

The choice of a 1/15 twist indicates how much the bullet will spin per inch of barrel length, which is significant for long-range stability; a tighter twist generally aids in better stabilization for heavier and longer projectiles. Having 8 grooves provides an effective way to grip the bullet while allowing for smooth passage through the barrel. Understanding these specifications is crucial for engineers and firearms specialists when it comes to ammunition matching and overall weapon design.