How to determine bushing size for reloading 7mm Br Brass
6.5 Creedmoor gets smoked by 6BR Cortina Precision Expander mandrel dies Showing making 7mm VAR brass from the new 6 GT brass. Just neck up size and trim. No neck turn or ream. I necked up to 7mm In this video I cover 5 mistakes you can make when sizing brass and how to avoid them! See crazy 12 ways to size brass test: ...