Videos tagged with Cartridge Runout

This video details an advanced reloading experiment comparing the impact of different sizing dies on cartridge runout and accuracy for the .223 Remington caliber. The instructor meticulously tests Lee, Redding, and Mighty Armory dies, along with various expander types, to quantify their effect on concentricity. The results are then correlated with 10-shot group performance at 100 yards, revealing surprising insights into how die choice can influence precision, while also highlighting the potential impact of barrel heat on group consistency.

This episode delves into the critical aspects of reloading ammunition for ultra-long-range (ULR) and extreme long-range (ELR) shooting. Achieving extreme precision requires meticulous attention to detail, including tight control over powder charge velocity standard deviations (ideally under 10 fps), precise bullet weight sorting, and exact bullet seating depth to manage internal case volume and pressure. Factors like bullet jump to the lands and cartridge runout are also crucial for consistent aerodynamics and accuracy at extended distances.