I've seen the POI change by 12" at 1000 yards going from CCI #35 (Blue box) to RWS .50cal primers.
NRA Certified Pistol, Rifle, Shotgun and Metallic Cartridge Reloading Instructor
California DOJ Certified Fingerprint Roller
Ventura County approved CCW Instructor
Offering low cost private basic shooting and reloading classes for calgunners.