gwpercle
Member
Can you get or do you have some magnum primers for testing?
CCI / Speer typically recommends magnum primers be used with ball powders and in cold weather . Ball powders are harder to ignite and magnum primers are often called for even in non-magnum pistol cartridges.
Gary
CCI / Speer typically recommends magnum primers be used with ball powders and in cold weather . Ball powders are harder to ignite and magnum primers are often called for even in non-magnum pistol cartridges.
Gary