#78 - MA3 Chapter 12: Effect of Bore-Groove Diameter
00:43:02 | Bryan and Francis discuss the effect of bore-groove diameter on muzzle velocity and BC from live fire testing, including velocity migration and other related performance effects. This episode covers Chapter 12 from Modern Advancements Volume 3. They also discuss some of the early data Francis has collected on his competition 6mm rifles using various bore-groove diameters.